Experience smooth connectivity with SoftBank’s network. All plans support 5G.
![[Area] Smooth connection indoors, in busy areas, and on the subway*](/language/images/point01.webp)
※Connection speeds may slow down or become unavailable due to network congestion and other conditions.
* 5G with high speed and large capacity (new frequency: 3.7GHz only) is available in limited areas.
* Y!mobile’s 5G service is available only in NSA mode.
Y!mobile offers great deals even overseas!
![[International roaming (worldwide mobile phone)] Up to 2GB/month of high-speed data communication is available overseas at no additional charge!*](/language/images/point02.webp?20251218)
Learn more
*Available in over 200 countries and regions. Eligible plans: Simple3 S/M/L. For new subscribers, international roaming is not available on S/M plans during the first 4 months.
Highly rated by many of our customers
![[J.D. Power] 2025 Mobile Phone Service Customer Satisfaction Survey: No. 1 Overall Value Carrier](/language/images/point03.webp)
*J.D. Power 2022-2025 Japan Mobile Phone Service Customer Satisfaction Study. The 2025 study is based on 4,600 Japan resident customers.japan.jdpower.com/awards
*Tied in 2025
STEP1
Preparing for Application
STEP2
Application
STEP3
Waiting for Delivery
STEP4
Receive & Set Up
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Now with
more data! * |
Plenty to use,
all at a great price! |
10Unlimited domestic calls
up to 10 minutes per call included |
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| S | M | L |
|---|---|---|
| 5GB | 30GB | 35GB |
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Monthly basic usage fee tax excluded:2,980 yen (3,278yen) |
Monthly basic usage fee tax excluded:3,980 yen (4,378yen) |
Monthly basic usage fee tax excluded:4,980 yen (5,478yen) |
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Please choose your service discount 
Family Discount
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Home Bundle Discount Hikari Set (A) *1
* SoftBank Air subscription example5,368円/月
tax excluded:-1,500yen/month
(-1,650yen/month)discount
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PayPay Card Discount
(PayPay Card Gold) *2 * Annual membership fee: 11,000 yen (tax included)
tax excluded:-700yen/month
(-770yen/month)discount
＊PayPay Card (Gold) discount -¥550/month PayPay Card (Gold) Bonus discount -¥220/month |
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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) |
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Family Discount service *1
*Discount can be applied for up to 9 lines
Second and subsequent lines
tax excluded:-1,000yen/month (-1,100yen/month)discount |
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PayPay Card Discount
(PayPay Card Gold) *2 * Annual membership fee: 11,000 yen (tax included)
tax excluded:-700yen/month
(-770yen/month)discount
＊PayPay Card (Gold) discount -¥550/month PayPay Card (Gold) Bonus discount -¥220/month |
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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) |
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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) |
*If you have Simple 3 applied by June 1, 2026, please check here.
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Call charges
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| 20yen(22yen)/30Seconds |
Simple3 L at no additional charge10Domestic calls per minuteUnlimited calls |
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*Call charges and device fees are charged separately.
[Other important information]
●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.
For new contracts made on or after July 1, 2026, if you cancel within one year of the line activation month, a contract termination fee will be charged according to Price Plan you were subscribed to at the time of cancellation.
Simple3 S /M: 858 yen, Simple3 L: 1,100 yen
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).
●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+.
【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／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」、「光おトク割」、「おうち割 光セット（A）申込特典」、「おうち割でんきセット（E）」との重複適用はされません。
"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.
●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 / 770 yen discount for PayPay Gold Card. (Includes PayPay Card Discount)
●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.
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.
* Applications via My Y!mobile are accepted until 8 PM on May 22, 2026.
Simple3 M/L
1,100yen/month discount
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.
For Simple 2 M/L
1,100yen/month discount
● 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.
This offer cannot be combined with other discounts such as "Family Discount," "Home Bundle Discount Hikari Set (A)," "Internet Discount," Home Bundle Discount Hikari Set (A) Application Bonus," or "Home Internet Discount (E)."
[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.
This offer cannot be combined with other discounts such as "Family Discount," "Home Bundle Discount Hikari Set (A)," "Internet Discount," Home Bundle Discount Hikari Set (A) Application Bonus," or "Home Internet Discount (E)."
* Discount applies for up to 9 lines
* Simple3 S is not eligible. *This offer cannot be combined with "Family Discount," "Home Bundle Discount Hikari Set (A)," "Home Bundle Discount Hikari Set (A) Application Bonus," or "Home Internet Discount (E)."
Pay with a PayPay Card Gold
* Annual membership fee: 11,000 yen
Save 9,240 yen per year!
No annual fee
discount3,900円/yr savings
330円/mo off
Annual membership fee: 11,000 yen
discount9,240円/yr savings
770円/mo off *
* PayPay Card (Gold) discount: -550 yen/month PayPay Card (Gold) Bonus discount-220 yen/month
Smartphone Light/Air electricity
If you pay with PayPay card
PayPay Points add up every month!
*PayPay points cannot be withdrawn or transferred.
Contract Processing Fee Benefits
Store:4,950Yen (tax included)
Online shop:3,850Yen (tax included)
Per Sign-UpPayPay Points1,100yen equivalent!
Other Notes
[PayPay Card Discount]
*Applicable to Simple3 S /M/L sizes.
*If you change your payment method card type, the new discount amount will be applied to your bill starting from the month in which you made the change.
●Conditions for application: When PayPay Card or PayPay Card Gold is selected as the payment method for your usage fees as of the billing 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 prorated, the discount amount for this discount service will also be prorated.
●If the account is transferred or inherited, the discount will end in the previous billing month.
If you cancel your subscription, the discount will also apply to the billing month in which the cancellation date falls.
[PayPay Points]
● Some services, such as "PayPay (balance) top-up" and "SoftBank (including Y!mobile and LINEMO) communication charges," may not be eligible for rewards.
For more details Here
●When using a family card, registering the family card in the PayPay app will grant the card to the family member. For details, see below. Here
* Points will be awarded as PayPay points. PayPay points will be awarded for every 200 yen (tax included) spent (fractions will be rounded down).
*If you have not completed the setup for using "PayPay Credit," you will not be eligible for PayPay Step. To receive the maximum reward rate, you must meet the conditions for PayPay Step (30 or more payments of 200 yen or more and a total payment amount of 100,000 yen or more). The reward rate will vary depending on your usage in the previous month. Also, some payments are excluded.
Details of the grant breakdown, etc. Here
[Contract processing fee discount (PayPay Card Discount)]
● Some services, such as prepaid mobile phone services and satellite communication services, are not covered by this offer.
● You must have completed the eligible procedure during the campaign period, or have a contract for the line on the eligibility determination date in the next section.
● PayPay Card Discount must be applied on the billing date following the billing month in which the relevant procedure was performed (hereinafter referred to as the "application determination date").
●You must have linked your account in the PayPay app or set up a reward recipient in My SoftBank before the reward is issued.
●SIM card replacements at online stores or phone shops are not covered.
● The benefit will be granted during the billing month following the billing month in which the eligibility determination date falls.
*If you have not linked your account in the PayPay app or set up benefit receipt in My SoftBank at the time of this benefit grant, this benefit will be granted provisionally. If you set up benefit receipt within 60 days of the benefit grant date, you will be able to receive the benefit, but if you do not set up benefit receipt, you will not be able to receive the benefit. A provisional grant notification email will be sent the day after the benefit is granted, so please check the grant date in that email.
●If you cancel your line contract on or after the day following the eligibility determination date, before the benefits are granted, if you transfer, assign, change the name on Family Discount account, or subscribe to the telephone number/email address retention service, the benefits will not be granted.
●PayPay points can also be used at the PayPay/PayPay Card official store.
[Campaign Period]
August 20, 2025 - End date TBD
*The end date will be announced on SoftBank website and other platforms.
Unlimited 10-minute domestic calls
tax excluded:800yen/month (880yen/month)
| S | M |
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tax excluded:800yen/month (880yen/month)
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* 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.
Unlimited domestic calls!
tax excluded:1,800yen/month (1,980yen/month)
| S | M |
|---|---|
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tax excluded:1,800yen/month
(1,980yen/month) |
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Users 60 years old and up
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tax excluded:800yen/month (880yen/month)
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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.
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.
With Simple3 L contract
Unlimited domestic calls!
tax excluded:1,000yen/month (1,100yen/month)
* Some calls are not included. You must apply.
tax excluded:700yen/month (770yen/month)
First month free
| S | M | L |
|---|---|---|
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tax excluded:700yen/month (770yen/month)
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*Security Pack Premium must be applied for separately
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 |
|---|---|---|
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+2GB
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+5GB
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+5GB
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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.
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
*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.
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.