Y!mobile online store
Y!mobile

Benefits

Simple3S Simple3M Simple3L
Sign Up with a New Number
usually5,000point
If the user is between 5 and 18 years old
10,000point
Switch from Another Carrier
5,000
point
15,000point
  • *This does not apply if you do not subscribe Extra Data Option.
What is Extra Data Option?

Get 6 months free with your first subscription

Data Increase Option

Adding this option will increase your high-speed data traffic.

Monthly fee: 550 yen

See details

eSIM/SIM card
Apply here

*The benefit will not be applied if you do not subscribe to Extra Data Option (550 yen/month). Not applicable to customers switching from SoftBank /LINEMO/LINE Mobile (SoftBank line) or SoftBank line MVNO. If you apply for multiple lines under the same name and user, the benefit will only be applied to one line. The PayPay points awarded can also be used at the official PayPay store. They cannot be withdrawn or transferred. All gift amounts are tax-exempt.

Y!Mobile referral campaign

How to get PayPay points

PayPay Points Get it in 3 steps

  1. Step 1: Apply for a SIM/eSIM at the online store
  2. Step 2: Line Activation
  3. Step 2: After activation, receive your point code by email

PayPay Points How to receive your rewards

The PayPay points code will be sent via SMS around the beginning of the second month following the activation month.

How to receive your rewards

You can receive your points using the PayPay points code.
PayPay point code is a code type gift issued by PayPay. You can charge a preset amount to PayPay by entering it or tapping the URL.

More information about PayPay can be found here

PayPay Points How to use PayPay points

  • Use on online services (websites, apps)

    • After selecting PayPay payment on an online service, the PayPay app will launch and you can complete the payment.
    • For some services, including Yahoo! Shopping and Yahoo! Auctions, payments can be completed without launching the PayPay app.
    1. When paying for online services, select [PayPay] and proceed with the payment process.

    2. Launch the PayPay app > Select "Pay" on the payment screen

    3. Once your payment is complete, you will be automatically returned to your service after a short while.

      *If you close the page before returning, your purchase may fail.

  • Scan the store's QR code

    1. Select [Scan] on the home screen

    2. Scan the QR code in the store

    3. Enter the amount you want to pay and select Next.

    4. Show the screen to the clerk and select [Pay]

    5. Payment completed

  • Show the barcode (the store will read it)

    1. Select [Pay] on the home screen

    2. Show the screen to the store clerk and have them read the barcode

    3. Payment completed!

\Click here to apply/
Keep your current smartphone
Select a SIM type that you can use right away

  • eSIM

    This is a digital SIM card built into the smartphone itself. You can start using it as soon as the same day you apply through the online store.
    *A compatible device is required.

    Proceed to application

    Check the operation confirmation device

    Flow from application to start of use

    1. Prepare the necessary items in advance

    2. Sign up online

    3. Please check the included manual and the initial setup guide after application and start using the service after completing the procedure.

    Learn more

  • SIM card

    This model requires replacement of the card-type SIM. It may be shipped as soon as the day of application.

    Proceed to application

    Check the operation confirmation device

    Flow from application to start of use

    1. Prepare the necessary items in advance

    2. Sign up online

    3. Receive your SIM card

    4. Check the included manual and start using it after completing the procedure.

    Learn more

\Relieve your worries and doubts/
8 things that everyone is curious about

What is SIM lock?

This is a system that restricts the use of SIM cards other than those of the mobile phone company you have a contract with.

  • There are two types of smartphones: SIM-free smartphones, which can be used with any SIM company, and SIM-locked smartphones, which are locked so that they can only be used with the SIM company from which they were purchased.
  • If you want to use a SIM card from another company on a locked smartphone, you will need to go through the "SIM unlock" process with the company you purchased the smartphone from.

How to unlock the SIM

Can I transfer my SNS data?

You can continue to use social media such as Instagram, Twitter, and LINE!

Is there a warranty if my phone breaks?

We offer a guarantee to give you peace of mind in the unlikely event of an emergency.

  • ご利用中のSIMフリースマートフォンが破損や故障などした際、「故障安心パックプレミアム」(月額880円)をご用意しています。万一の時も安心です。

Designated models and fees

Can I still use my phone number?

You can keep your current phone number.

  • We support MNP (Mobile Number Portability), so you can keep your current phone number.

About MNP

Can I use the discount service?

You can get even more reasonable prices by using our discount services.

  • Family Discount service
    If you sign up for multiple Simple3 S /M/L plans with your family, you will receive a monthly discount of 1,100 yen on your smartphone communication charges from the second line onwards. The discount applies not only to family members living in the same household, but also to distant relatives and lovers or partners who live with you.

Learn more

  • Home Bundle Discount Hikari Set (A)
    By simply using SoftBank Hikari/Air and Y!mobile Mobile smartphone as a set, you can receive a discount of 1,650 yen* per person on your monthly smartphone communication charges for Simple3 S /M/L plan.
    Y!mobile offers two types of internet plans to choose from.
    • Just place it and it's easy! Home Wi-Fi SoftBank Air
    • SoftBank Hikari for ultra-fast home internet.

Learn more

* SoftBank Hikari/ SoftBank Air contract required. [Sign-up example] For SoftBank Hikari Family, a monthly basic fee of 5,720 yen/month plus designated options starting from 550 yen/month is required (2-year automatic renewal plan: For subscribers who sign up after July 1, 2022, a cancellation fee of 5,720 yen is required for cancellations other than the month of the contract expiration month, the month after, or the month after that).

  • Home Discount Electricity Set (E)
    If you use Ouchi Denki and Y!mobile Mobile together, you will receive a discount of 1,100 yen for 24 months on your smartphone communication charges for Simple3 M /L plan every month.

* Simple3 S is not included

  • Family Discount Service, Home Bundle Discount Hikari Set (A), and Ouchiwari Denki Set (E) cannot be used together.
What devices are compatible?

Compatible with various smartphones including iPhone and Android.

  • Y!mobile SIMs are compatible with smartphones from a wide range of manufacturers and can be used with unlocked smartphones or SIM-free smartphones that are not locked to begin with.
    Of course, you can also use Y!mobile on a Rakuten Mobile device.
What about the email address?

You can continue to use your carrier email address or free email address.

  • Carrier email addresses such as @docomo.ne.jp can be transferred by following the procedures specified by each carrier, and you can continue to use free email addresses such as Gmail. You can also use unlimited Y!mobile email and carrier email (MMS) that can be used on multiple devices.
  • Please check each carrier's website for details.

About Y!mobile Y!mobile addresses

What is the best Price Plan?

You can choose from three plans: Simple3 S /M/L, which offer different high-speed data communication capacities.

What kind of Price Plan are available?

SoftBank certified used items

もう1回線お申し込みでおトクなキャンペーン実施中!

Pricing plans
Simple3 (Smartphone/SIM)

The Monthly basic usage fee of the pricing plan will be revised, effective Tuesday, June 2, 2026.View
"important notice"

Wimova Parent-Child Discount Discounted -1,000 yen/month (-1,100 yen/month) excluding tax! * Applications from My Y!mobile will be accepted until 8pm on May 22, 2026 Wimova Parent-Child Discount Discounted -1,000 yen/month (-1,100 yen/month) excluding tax! * Applications from My Y!mobile will be accepted until 8pm on May 22, 2026
Now with
more data! *
Plenty to use,
all at a great price!
10Unlimited domestic calls
up to 10 minutes per call included
S M L
5GB 30GB 35GB
Monthly basic usage fee
tax excluded:2,780 yen
(3,058 yen)
Monthly basic usage fee
tax excluded:3,780 yen
(4,158 yen)
Monthly basic usage fee
tax excluded:4,780 yen
(5,258 yen)
From June 2nd onwards
tax excluded:2,980 yen
(3,278 yen)
From June 2nd onwards
tax excluded:3,980 yen
(4,378 yen)
From June 2nd onwards
tax excluded:4,980 yen
(5,478 yen)

Please choose your service discount

Home Bundle Discount Hikari Set (A)
Family Discount
Monthly basic fee
from the following month  tax excluded

780 yen
(858 yen)
Monthly basic fee
from the following month  tax excluded

1,780 yen
(1,958 yen)
Monthly basic fee
from the following month  tax excluded

2,780 yen
(3,058 yen)
Simple3 S
Not eligible for Parent-Child Discount

Plus! Get discounts for up to 13 months!

Y!mobile Parent-Child Discount

See here for details

tax excluded:-1,000yen/month
(-1,100yen/month)discount
Monthly basic fee
From the next monthtax excluded:

780 yen
(858 yen)
Monthly basic fee
From the next monthtax excluded:

1,780 yen
(1,958 yen)
Second and subsequent lines
From the following month, excluding tax

1,280 yen
(1,408 yen)
Second and subsequent lines
From the following month, excluding tax

2,280 yen
(2,508 yen)
Second and subsequent lines
From the following month, excluding tax

3,280 yen
(3,608 yen)
First line
From the following month, excluding tax

2,280 yen
(2,508 yen)
First line
From the following month, excluding tax

3,280 yen
(3,608 yen)
First line
From the following month, excluding tax

4,280 yen
(4,708 yen)
Simple3 S
Not eligible for Parent-Child Discount

Plus! Get discounts for up to 13 months!

Y!mobile Parent-Child Discount

See here for details

tax excluded:-1,000yen/month
(-1,100yen/month)discount
Second and subsequent lines
From the next monthtax excluded:

1,280 yen
(1,408 yen)
Second and subsequent lines
From the next monthtax excluded:

2,280 yen
(2,508 yen)
First line
From the following month, excluding tax

2,280 yen
(2,508 yen)
First line
From the following month, excluding tax

3,280 yen
(3,608 yen)
  • *1 The discounts for the "Home Discount Hikari Set (A)," "Family Discount Service," and "Home Discount Electricity Set (E)" cannot be combined.
  • *2 An annual fee of ¥11,000 applies for the PayPay Card Gold. For the standard PayPay Card, a ¥300 (¥330 incl. tax) discount is applied. Family cards are also eligible.
  • * The maximum number of users who can register under the same name is two (including users of existing lines). When signing up for three or more lines, family members must be registered as users for the third and subsequent lines.
[Applies to all plans]
Those who are subscribed to Simple3 S /M/L by June 1, 2026, can continue to use the service at the same basic fee as before the revision until December 31 of the same year, thanks to the "Simple 3 Special Discount".
*1 From June 2, 2026, customers who are subscribed to Simple3 S /M/L and have set their basic fee payment to PayPay Card (Gold) will receive an additional 200 yen/month (220 yen/month) discount in addition to the 500 yen/month (550 yen/month) discount from "PayPay Card Discount PayPay Card Discount".
Simple 3 Special Discount, Simple 3 Special Discount (Parent-Child Discount), and PayPay Card Discount (Gold) cannot be applied in combination.
*2 Example of application of Ouchiwari Hikari Set (A): SoftBank Air subscription example: 5,368 yen/month. Cannot be used in conjunction with Family Discount, etc. PayPay Card Gold annual fee of 11,000 yen required. Call charges and device costs are separate.
[Simple3 M /L size available]
If you are currently enrolled in the "Y!mobile Parent-Child Discount (2025-2026)" or "Y!mobile Parent-Child Discount (2025-2026) (Family)" (hereinafter referred to as "the applicable campaign") as of January 1, 2027, you will receive a 200 yen/month (220 yen/month) discount on the basic fee for Simple3 M /L from your billing statement for January of that year until the discount for the applicable campaign ends.
Call charges
20yen(22yen)/30Seconds Simple3 L
at no additional charge10Domestic calls per minuteUnlimited calls

*Call charges and device fees are charged separately.

  • * If you sign up for or cancel this option in the middle of the month, the monthly fee will not be calculated on a pro rata basis.
    If you apply for or cancel this option (excluding when signing up for a new contract) in the middle of the month, it will take effect from the following month.
    If you change to Price Plan that is not eligible for this option, this option will be automatically canceled.

[Other important information]

Simple3

●Contract month: If the contract is made in the middle of the month, the basic fee will be calculated on a pro-rata basis.
●Cancellation month: Even if you cancel in the middle of the month, the full basic fee will be charged (it will not be prorated).
●Domestic calls cost 22 yen per 30 seconds.
●With Simple3 L, you can make domestic calls of up to 10 minutes per call to mobile phones and landlines (including IP phones) at no additional charge.
We reserve the right to disconnect calls that we deem to be excessively long.
When you subscribe to Simple3 L, you can use "Voicemail Plus," "Fixed Amount Stop Service," "Call Waiting," and "Group Calling" at no additional charge.
Each service requires a separate application.
If you switch to Simple3 S /M plan while using any of the services, the monthly fee for each service will be charged from the following month. If you do not wish to use the service, you will need to cancel it separately.
● Some calls are excluded, such as international roaming, international calls (calls to overseas destinations), calls to satellite phones, calls to phone numbers with rates set by other companies (e.g., 0570), and directory assistance (104). Calls to NTT Docomo's satellite phone service (WideStar) will cost 177.1 yen per 30 seconds.
●Domestic SMS messages cost between 3.3 and 33 yen per message, depending on the number of characters sent. Please refer to our terms and conditions for details.
A contract processing fee will be charged (in-store: 4,950 yen, online: 3,850 yen).
Telephone universal service fee, telephone relay service fee, and broadband universal service fee will be charged separately.
●If you wish to use the answering machine service, you will need to subscribe to Answering Machine Plus separately.
●This includes the standard data allowance (5GB/30GB/35GB) plus any additional data allowance provided by Extra Data Option (only for subscribers of Extra Data Option).
If the total data usage exceeds 2GB/5GB/5GB, the data communication speed will be reduced until the end of the month (maximum 300kbps for Simple3 S and 1Mbps for Simple3 M /L for both sending and receiving). Furthermore, if half of the specified data capacity (2.5GB/15GB/17.5GB) is consumed, the data communication speed will be reduced until the end of the month (maximum 128kbps for both sending and receiving).

Unlimited within 10 minute domestic calls / Daretodemo Teigaku+

●Some calls are not covered, such as international roaming, international calls (calls to overseas), calls to satellite phones, calls to the answering machine center (1416 when playing back, etc.), calls to forwarding numbers in call forwarding services, Navidial (0570), directory assistance (104), and telephone numbers designated by our company and published separately (ymobile.jp/r/telephone/).
●If we determine that a call is an unauthorized long-term call, we may disconnect the call.
●If you change your plan to an ineligible Price Plan, this option will be automatically canceled.
●If we determine that you have made any of the following calls, we will terminate this service or suspend use of the calls in question on a date specified by us.
- Connecting the phone to any device or facility without our prior permission.
- Using the service for the purpose of directly earning income from communications, such as by using the communication intermediary or forwarding function or connecting to services provided by other companies.
- Calls made automatically using software, computer programming, etc. (excluding those provided by us or telecommunications carriers authorized by us).
- Communications used for purposes other than phone calls.
●With Simple3 L you can make domestic calls of up to 10 minutes to anyone at no additional charge without having to apply for Flat Rate+.

Home Bundle Discount Hikari Set (A)

【加入例】SoftBank 光ファミリーの場合、基本料金5,720円/月+指定オプション550 円/月~が別途必要です。(2年自動更新プラン:2022年7月1日以降の契約者は、契約期間満了月の当月・翌月・翌々月以外での解約には解除料5,720円が必要。詳しくはこちら)。
●SoftBank光自動更新なしプランは対象外。
●固定通信サービス1回線につき携帯電話回線(スマートフォン/ケータイ/タブレット/モバイルWi-Fiルーター)最大10回線まで適用。
●シンプルS/M/Lは毎月1,188円割引、シンプル2 Sは毎月1,100円割引、シンプル2 M/Lは毎月1,650円割引、スマホベーシックプラン S/M/R/L、データベーシックプラン L、Pocket WiFi®プラン 2(ベーシック)、スマホプラン S、データプラン L、Pocket WiFi®プラン 2は毎月550円割引、スマホプラン M/Rは毎月770円割引、スマホプラン Lは毎月1,100円割引します。

●「家族割引」、「おうち割 光セット(A)」、「おうち割 でんきセット(E)」は重複して割引はされません。

Home Discount Electricity Set (E)

"Simple3 S" is not included.
*The "applicable billing month" when conditions ① and ② below are met for the first time will be considered the first month (hereinafter referred to as the "applicable start month"), and the discount will be applied up to the 24th month. You can check the applicable start month on My Y!mobile, etc.
①Enrollment in the "Home Discount Electricity Set (E)" must be confirmed at the time of monthly assessment determined by SoftBank Corp.
② The fee for the applicable electricity service is determined in the month prior to the billing month for the mobile communications service that includes the relevant monthly determination time (the "applicable billing month").
*For each eligible electricity service contract, you can specify up to 10 lines with eligible Y!mobile Mobile Price Plan.
*If you subscribe to the "Home Bundle Discount Hikari Set (A)" in addition to the "Family Discount Service," "Home Bundle Discount Hikari Set (A)," or "Home Discount Hikari Set (A) Application Benefits," the benefit with the larger discount will be applied (if the discounts are the same, only one benefit will be applied), and the discount from the "Home Discount Electricity Set (E)" may not be applied. Please check the application status on My Y!mobile after the billing amount has been determined. Please note that even if there is a period when the discount from the "Home Discount Electricity Set (E)" is not applied temporarily due to overlapping with other discounts, the 24-month application period will continue to be counted.
*Tohoku Electric Power, Hokuriku Electric Power, and Kyushu Electric Power offer different services with equivalent discounts.

PayPay Card Discount

●Applicable conditions: As of the billing date,
① You must be subscribed to the eligible plan.
② The payment method for the eligible plan must be set to "PayPay Card" or "PayPay Card Gold".
③ The contract is in the name of an individual.
*Even if you set this up, if payment is not processed due to card suspension or other reasons, and payment is made by bank transfer or at a SoftBank / Y!mobile mobile store using your card, you will not be eligible.
●This discount service will be applied from the billing month in which the eligibility requirements are met.
Please note that in the following cases, the change in payment method may not take effect until the billing month following the procedure.
In that case, the discount will be applied from the billing month following the month in which the eligibility requirements are met. If the fixed monthly fee for the discounted plan is calculated on a daily basis, the discount amount for this discount service will also be calculated on a daily basis (if a fraction less than 1 yen occurs, that fraction will be rounded up).
●330 yen discount for PayPay Card / 550 yen discount for PayPay Gold Card.
●PayPay Gold Card requires an annual fee of 11,000 yen (tax included).
●Family cards are also eligible.
●This does not apply if you are using a billing agency service.
●If you cancel your subscription, the discount will also apply to the billing month in which the cancellation date falls.

Data carry over

Only the default data volume and data volume increased by Extra Data Option can be carried over. Additional data volume purchased when applying to return to the standard speed cannot be carried over. Any amount of data less than 100MB carried over will be rounded down.
●Data volume will be consumed in the following order: carried-over data > specified capacity (including data increase through Extra Data Option) > additional purchased data volume.
●For shared plans, data can be carried over during the period when data capacity is shared with the main line (while sharing is in effect). However, any unused data capacity from the month before sharing with the main line begins or the final month when sharing ends will not be carried over to the next month.

Y!mobile Parent-Child Discount

SoftBank If you are between 5 and 18 years old at the time of application and sign up for Simple3 M /L during the application period, you will receive a monthly discount of 1,100 yen off the basic monthly fee until the 13th month, starting from the first month in which you fulfill the conditions for application. If you change your plan at /L If you apply for a plan change at My Y!mobile, etc., you need to apply for Wimova Parent-Child Discount at My Y!mobile in advance, and apply for a plan change after receiving an SMS confirming the completion of the application process. (If the user's information has already been registered and we deem the user and subscriber to be the same, the SMS will not be sent. My Y!mobile You can apply for the plan change after you have applied for this campaign at)

Y!mobile Parent and Child Discount (Family)
● During the application period, if you sign up for Simple 3 M/L through a new subscription, switching from another company (MNP), transferring a number from SoftBank or LINEMO, changing the contract, or changing plans, and are enrolled in the Family Discount Service (primary line or secondary line) within the same group as a line to which the Y!mobile Parent-Child Discount is applied, a 1,100 yen per month discount will apply to the basic usage fee for 13 months, starting from the first month in which all eligibility requirements are met.

Important notes for Y!mobile Parent-Child Discount and Y!mobile Parent-Child Discount (Family)
● Simple3 S is not eligible for the discount in this campaign. ●Plan changes between Simple3 M and Simple 3 L are also eligible. ●For contracts other than plan changes, the discount amount will be prorated for the month of contract. ●The discount amount will be prorated for the month of transfer.
●Contract processing fee (in-store: 4,950 yen, online: 3,850 yen), telephone universal service fee, telephone relay service fee, and broadband universal service fee will be charged separately. ●All prices shown are inclusive of tax unless otherwise stated. ●The contents and duration of this campaign may be changed without notice.

[Applies to all plans]
Those who are subscribed to Simple3 S /M/L by June 1, 2026, can continue to use the service at the same basic fee as before the revision until December 31 of the same year, thanks to the "Simple 3 Special Discount".
*1 From June 2, 2026, customers who are subscribed to Simple3 S /M/L and have set their basic fee payment to PayPay Card (Gold) will receive an additional 200 yen/month (220 yen/month) discount in addition to the 500 yen/month (550 yen/month) discount from "PayPay Card Discount PayPay Card Discount".
Simple 3 Special Discount, Simple 3 Special Discount (Parent-Child Discount), and PayPay Card Discount (Gold) cannot be applied in combination.
*2 Example of application of Ouchiwari Hikari Set (A): SoftBank Air subscription example: 5,368 yen/month. Cannot be used in conjunction with Family Discount, etc. PayPay Card Gold annual fee of 11,000 yen required. Call charges and device costs are separate.
[Simple3 M /L size available]
If you are currently enrolled in the "Y!mobile Parent-Child Discount (2025-2026)" or "Y!mobile Parent-Child Discount (2025-2026) (Family)" (hereinafter referred to as "the applicable campaign") as of January 1, 2027, you will receive a 200 yen/month (220 yen/month) discount on the basic fee for Simple3 M /L from your billing statement for January of that year until the discount for the applicable campaign ends.
Y!mobile Parent-Child Discount

* Applications via My Y!mobile are accepted until 8 PM on May 22, 2026.

Simple3 M/L

1,100yen/month discount

Eligible for users aged 5 to 18 and their family members.

Y!mobile Parent-Child Discount

●Simple3 S is not eligible for this campaign discount.
●When applying for a plan change, changes between Simple3 M and Simple3 L are also eligible.
● If you sign a contract without changing your plan, the discount amount will be prorated for the month of sign-up.
● The discount amount will be prorated for the month of contract transfer.

See details

Relatives living far away and partners living together are also eligible!
Y!mobile Parent-Child Discount

For Simple 2 M/L

1,100yen/month discount

Students (users aged 5 to 18 years old) and their families are eligible

● The Simple 2 S plan is not eligible for this campaign.
● When applying to change a plan, plan changes between Simple 2 M/L are also eligible.
● For contracts other than plan changes, the value of the discount for the sign-up month will be prorated.
● The value of the discount for the month of transfer will be prorated.
● This discount does not apply to months for which total data usage for Simple 2 M/L is less than 1 GB/month. In such cases the value of this discount does not carry over to the following month. Additionally, that month is counted in the discount application period.

See details

A bargain as a set with home internet

Home Bundle Discount Hikari Set (A) Simple3 S /M/L. 6,600 yen discount per month for those signing up for a family of four.

Family Discount and Home Discount Electricity Set (E) do not apply to overlapping discounts.

[Subscription example] For SoftBank Hikari Family, a basic fee of 5,720 yen/month plus designated options starting from 550 yen/month is required. (Two-year automatic renewal plan: For subscribers who sign up after July 1, 2022, a cancellation fee of 5,720 yen is required for cancellations other than the month of the contract expiration date, the month following, or the month after.)

Other Notes

● SoftBank Hikari plans without automatic renewal are not eligible.
● Up to 10 mobile phone lines (smartphones/mobile phones/tablets/mobile Wi-Fi routers) can be added per fixed-line communication service.
●Simple S/M/L plans receive a monthly discount of 1,188 yen, Simple2 S receive a monthly discount of 1,100 yen, Simple2 M /L plans receive a monthly discount of 1,650 yen, Smartphone Basic Plan S/M/R/L, Data Basic Plan L, Pocket WiFi® Plan 2 (Basic), Smartphone Plan S, Data Plan L, and Pocket WiFi® Plan 2 receive a monthly discount of 550 yen, Smartphone Plan M/R plans receive a monthly discount of 770 yen, and Smartphone Plan L receives a monthly discount of 1,100 yen.

See details

Relatives living far away and partners living together are also eligible!

Family Discount Service Simple3 S /M/L contract: 1,100 yen/month discount (tax included) for the second line and onwards

Home Bundle Discount Hikari Set (A) and Electricity Set (E) cannot be discounted together.

* Discount applies for up to 9 lines

See details

Save money when purchased as a set with your home electricity

Home Electricity Home Discount Electricity Set (E) Simple3 M /L contract for 24 months 1,100 yen/month discount (tax included) If you sign up for a family of 4, you will receive a 4,400 yen discount every month

Simple3 S is not included, and Family Discount and Home Bundle Discount Hikari Set (A) do not receive overlapping discounts.

Learn more about Ouchi Denki

Learn more about Ouchiwari Electricity Set (E)

Pay your communication fees with PayPay card
Pay and save!

PayPay Card Discount

PayPay Card Discount

PayPay Card Gold
* Annual membership fee: 11,000 yen

-550 yen/month discount

PayPay Card

-330 yen/month discount

Other Notes

* Simple3 S/M/L are eligible
*If you change the card type of your payment method, the new discount amount will be applied to the billing for the month in which you change your payment method.
●Applicable conditions: When PayPay Card or PayPay Card Gold is applied as a payment method for usage fees as of the billing closing date.
●Family cards are also eligible.
●This does not apply if you are using a billing agency service.
●If the basic usage fee for the discounted Price Plan is calculated on a pro-rata basis, the discount amount for this discount service will also be calculated on a pro-rata basis.
●If the contract is transferred or inherited, the discount will end in the previous billing month.
If you cancel, the discount will also be applied to the billing month in which the cancellation date falls.

See details

If you make lots of quick calls
Daretodemo Teigaku+

Unlimited 10-minute domestic calls

tax excluded:800yen/month (880yen/month)

S M
tax excluded:800yen/month (880yen/month)

* Some calls are not included. Domestic calls exceeding 10 minutes incur a separate charge of 22 yen per 30 seconds for the extra time. You must apply.

See details

If you don’t want to talk a long time
SuperDaretodemo Teigaku+

Unlimited domestic calls!

tax excluded:1,800yen/month (1,980yen/month)

S M
tax excluded:1,800yen/month
(1,980yen/month)
Users 60 years old and up
tax excluded:800yen/month (880yen/month)

See here for details on our permanent discount campaign on calls for those aged 60 and over

* Some calls are not included. You must apply.

See details

Simple 3L size, great value
Daretodemo Teigaku+

With Simple3 L contract
Unlimited 10-minute domestic calls

No application required

* Some calls are excluded. For domestic calls exceeding 10 minutes per call, a separate charge of 22 yen per 30 seconds will apply to the portion exceeding 10 minutes.

See details

If you don’t want to talk a long time
SuperUnlimited access to anyone + (L)

With Simple3 L contract
Unlimited domestic calls!

tax excluded:1,000yen/month (1,100yen/month)

* Some calls are not included. You must apply.

See details

Protect against various dangers andtrouble
Security Pack Premium

tax excluded:700yen/month (770yen/month)

First month free

S M L
tax excluded:700yen/month (770yen/month)

*Security Pack Premium must be applied for separately

See details

6 months free when you first sign up!
Data Increase Option

tax excluded:500yen/month (550yen/month)

When you first sign up6 months free!

Additional monthly data when you subscribe to the option

S M L
+2GB
+5GB
+5GB

This campaign lets new Data Increase Option users use this option for free for the first six months.
*The monthly fee for this option will not be prorated if you sign up or cancel mid-month.
If you apply when signing up for a new contract, this option will be applied from the month of your application. In other cases, it will be applied from the month following your application.

See details

Lower your monthly payments!
New Benefit Support (A)

If you purchase an eligible model with 48 installments and return the model using the new special support (A) from the 25th month onwards *2,You will not be required to pay the remaining device cost (up to 24 months' worth) *3The mechanism that leads to this

  • ・ The model must be collected and assessed in accordance with the conditions specified by our company by the end of the month following the application for the benefit.
  • ・If the appraisal conditions are not met, you will be required to pay 22,000 yen (tax-exempt) in addition to having the model collected.
  • ・This service is not available to corporate customers.
  • ・The amounts of the 1st to 24th installments and the 25th to 48th installments (installment payments) may differ depending on the model and the time period.

*1 Some models are not eligible. *2 The timing may vary depending on the application status. You can check the start date for your benefit on your contract management site, such as My Y!mobile. *3 The amount you do not have to pay will vary depending on when you use the benefit.

See details

A warranty service that gives you peace of mind in case of "what if" situations.
Koshou Anshin Pack Premium(Premium Device Protection)

Peace of mind even if your smartphone or iPhone malfunctions. Get it replaced immediately at a shop or online! This is a great value package that also includes protection against water damage, theft, loss, and device damage, all in one package.

880yen/month

Enrollment available only when purchasing a new device.

*Standard repair prices are for reference only. Actual costs may vary depending on the device model and the severity of the damage.

See details

Conditions of Application

Conditions of Application

Campaign Name
ワイモバ SIM契約キャンペーン5
Target Audience

This offer is available to individual customers who meet all of the following conditions ① to ④.

  1. ① Complete the application for the designated contract during the campaign period using the applicable application type and applicable plan.
  2. ② Complete the activation procedure after signing the contract in ①.
  3. ③ Subscribe to Extra Data Option at the same time as applying for the applicable plan.
  4. ④ Charge the PayPay point code to PayPay by the end of the second month following the activation month.
  • * If the applicable line contract is canceled or there are any outstanding charges before the benefit is granted, this benefit will not apply.
Campaign Period
2026年4月1日~終了日未定
Designated Contract
USIM card only/eSIM only contract
Target application type
New contract/switching from another company's line
Eligible plans
Simple3 S /M/L
Benefits
Depending on the application type, you can receive up to 15,000 yen worth of PayPay points

Benefits

SIM/eSIM Target application type Simple3 S Simple3 M Simple3 L Receipt expiration date
New contract none PayPayポイント
5,000円相当
PayPayポイント
5,000円相当
The second month after the opening date
From other companies' lines
Transfer *1
PayPayポイント
5,000円相当
PayPayポイント
15,000円相当
PayPayポイント
15,000円相当
  • ※1Transfers from SoftBank /LINEMO/LINE Mobile (SoftBank line) and SoftBank line MVNOs are not eligible.
  • You must sign up for Extra Data Option when signing up for the plan.
  • The reward price is tax-exempt.

Conditions of Application

Campaign Name
【対象者限定】0.5万円増額キャンペーン(U18)
Target Audience

This offer is available to individual customers who meet all of the following conditions ① to ④.

  1. ① Complete the application for the designated contract during the campaign period using the applicable application type and applicable plan.
  2. ② Complete the activation procedure after signing the contract in ①.
  3. ③ Subscribe to Extra Data Option at the same time as applying for the applicable plan.
  4. ④ Charge the PayPay point code to PayPay by the end of the second month following the activation month.
  • * If the applicable line contract is canceled or there are any outstanding charges before the benefit is granted, this benefit will not apply.
Campaign Period
2026年4月1日~終了日未定
Designated Contract
USIM card only/eSIM only contract
Target application type
New contracts
Eligible plans
Simple3 M/L
Benefits
If you sign up under the applicable conditions set out below and subscribe to Extra Data Option at the same time as signing up for the line contract, you will receive the following benefits in the form of PayPay points, depending on the applicable plan at the time of signing up.
PayPay points will be sent as a PayPay point code.

Benefits

Simple3 S Simple3 M Simple3 L
New
(Users aged 5 to 18) *1
none PayPayポイント
5,000円相当
PayPayポイント
5,000円相当
  • ※1This applies to those who register users between the ages of 5 and 18 as users and apply for an eligible plan.
  • The reward price is tax-exempt.

Notes:

  • If you apply for multiple lines under the same name and user, the benefit will only be applied once.
    The bonus will be considered applied at the time the bonus email is sent.
    This offer does not apply to those who have previously participated in a campaign that awarded PayPay points at the YM Online Store.
  • To receive this benefit, your mobile phone device must be compatible with the PayPay app, and you must download the PayPay app and register for a PayPay account.
  • For more information about PayPay Points, please visit the PayPay website (https://paypay.ne.jp/) in advance.
  • The PayPay points code will be sent to you via SMS around the beginning of the second month after the activation month.
    Please charge the PayPay points code to PayPay by the end of the second month following the activation month to receive this benefit.
    After the expiration date, you will no longer be able to charge PayPay. In this case, this benefit will not be reissued.
    Depending on your contract status, we may provide you with information other than SMS.
  • This campaign may end or its contents may change without notice.
  • If we determine that the offer is fraudulent or inappropriate, we will cancel the offer.
  • May not be combined with certain other promotions, programs or discounts.
Past Campaigns

2026年2月20日0:00~2026年3月31日23:59

ワイモバSIM契約キャンペーン4(S増額)

2026年3月13日~2026年3月31日

[Limited to eligible individuals] Increased amount campaign (U18)

2026年2月10日~2026年3月13日9:59

【対象者限定】0.5万増額キャンペーン(U18)

2026年1月13日15:00~2026年2月19日23:59

Y!Mobile SIM contract campaign 4

2026年1月23日~2026年2月10日9:59

[Limited to eligible individuals] Increased amount campaign (U18)

2025年12月19日0:00~2026年1月13日14:59

Y!Mobile SIM contract campaign 4 (S increase)

October 20, 2025 15:00 to December 18, 2025 23:59

Y!Mobile SIM contract campaign 4

September 19, 2025 10:00 to October 20, 2025 14:59

Y!Mobile SIM contract campaign 4 (S increase)

September 12, 2025 10:00 to September 19, 2025 9:59

Y!Mobile SIM contract campaign 4

September 1, 2025 15:00 to September 12, 2025 9:59

Y!Mobile SIM contract campaign 3

August 18, 2025 10:00 to September 1, 2025 14:59

Y!Mobile SIM Contract Campaign 3 (S Increase)

June 30, 2025 15:00 to August 18, 2025 9:59

Y!Mobile SIM contract campaign 3

June 6, 2025 - June 30, 2025 14:59

Y!Mobile SIM contract campaign 3 (S increase)

May 9, 2025 - June 6, 2025 9:59

Y!Mobile SIM contract campaign 3

July 11, 2024 10:00 to June 2, 2025 23:59

[Limited to eligible individuals] Increased amount campaign (U18)

April 1, 2025 0:00 to June 2, 2025 23:59

[Limited to eligible individuals] Increased amount campaign (O19)

March 3, 2025 10:00 to April 1, 2025 00:00

Limited-time offer for increased discounts 2 (O19)

February 7, 2025 10:00 to May 8, 2025 23:59

Y!Mobile SIM contract campaign 2

January 14, 2025 15:00 to February 7, 2025 10:00

Y!Mobile SIM contract campaign

November 22, 2024 10:00 to January 14, 2025 15:00

Y!Mobile SIM contract campaign 2

May 31, 2024 10:00 to November 22, 2024 10:00

Y!Mobile SIM contract campaign

May 7, 2024 15:00 to May 31, 2024 10:00

Campaign to get PayPay with SIM contract

April 16, 2024 - May 7, 2024 15:00

SIM contract and get PayPay campaign (given every month during the designated period)

April 1, 2024 - April 15, 2024 14:59

[YM] SIM contract with PayPay campaign

February 9, 2024 - April 1, 2024 14:59

Increased premium campaign for eligible customers (MNP)
Campaign to get PayPay with SIM contract

March 3, 2023 - February 8, 2024

PayPay Points! 20% Back Campaign (YM Online Store)

From July 1, 2022

SIMtoku! PayPay points giveaway

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