please select




Switching from another carrier's network, new contracts, and Changing devices
Please apply through our online store.
It will be applied automatically.
Number transfer *1
Please register on the same day you apply through the online store.
Terms and Conditions for Offering the Free Administrative Fee Campaign
The "Administrative Fee Waiver Campaign" (hereinafter referred to as "this Campaign") is a campaign offered by SoftBank Corp. (hereinafter referred to as "the Company") to customers who meet the eligibility requirements described in these Terms and Conditions.
■ Application period
August 7, 2026 0:00 to September 30, 2026 23:59
■Campaign details
During the application period, apply at Y!mobile Online Store (hereinafter referred to as "Online Store") as specified below.
If you enter into a contract under these conditions, you will receive the following benefits as part of this campaign.
The conditions for receiving the benefits and the details of the benefits are as follows:
| Eligible applications | Eligible plans | Eligibility Criteria | Benefits |
|---|---|---|---|
| New contract (including MNP, number transfer *1) | Simple3 S | Online Store Contract |
3,850 yen (tax included) New contract or Changing devices Contract processing fee is free. |
| Simple3 M | |||
| Simple3 L | |||
| Switching models | - |
■Eligibility Requirements (for new contracts, including MNP/number portability)
① During the application period, you must apply for a new contract, MNP transfer, or number transfer for one of the eligible mobile communication service plans (Simple 3 S/M/L) through the online store (the line you apply for will be referred to as the "new line" below).
*Please note that no contract processing fee is charged for plan changes, therefore this benefit does not apply.
② Complete the activation procedure after signing the contract in ①.
③ If applying via number transfer, you must register for this campaign on the same day as your application in ① using our designated dedicated entry form. When registering, enter the mobile phone number of the line for which you applied for number transfer in ① in the mobile phone number field of the dedicated entry form.
(After completing your entry, we will send an SMS to the mobile phone number you provided. Please note that it may take some time for the SMS to be sent or received. If you do not receive it, please wait a while and check again.)
*If you sign up for an eligible plan with a new contract or MNP (Mobile Number Portability), you do not need to enter this campaign.
■Applicable conditions (for Changing devices)
① Customers who already have a Y!mobile communication service contract must apply for Changing devices that includes the purchase of a new device through the online store during the application period (the line for which Changing devices application is made will be referred to as the "eligible line" below).
② After signing the contract in ①, complete the switching procedure for the target line.
■Cases where this campaign does not apply (new contracts (including MNP/number transfer))
- If your new line application is canceled or you are unable to subscribe (including cancellations within 8 days).
- If a new line is transferred or assigned to a third party before the initial billing amount for the new line is finalized within our company.
- If you cancel a new line before the initial billing amount for the new line is finalized within our company.
- If we determine that you have applied for the target plan with fraudulent intent, or if we determine that it is inappropriate to apply this campaign to you.
■Cases where this campaign does not apply (e.g., Changing devices)
- If your application for Changing devices is canceled or you are unable to subscribe
- If, after Changing devices, the target line is transferred or assigned to a third party in the month in which the switching procedure for the target line is completed.
- If you cancel the target line in the month in which the switching procedure for the target line is completed after Changing devices.
- If we determine that you have applied for the target plan with fraudulent intent, or if we determine that it is inappropriate to apply this campaign to you.
■Notes
This campaign may be terminated or its contents changed without prior notice.
This campaign may not be combined with certain other campaigns, programs, or discounts.
■ About these Terms and Conditions
• The terms and conditions of this agreement may be changed. In such cases, the fees and other terms and conditions will be governed by the revised terms and conditions. The latest terms and conditions will be posted on the online site.
‧ If we change the terms and conditions of this agreement, we will notify you in advance by posting the changes on our online site, by sending a text message (a message consisting of numbers, symbols, and other characters transmitted from the subscriber's line or our telecommunications equipment), or by any other method we deem appropriate. However, in urgent or unavoidable circumstances, we will notify you afterward.
‧ For matters not covered in these Terms and Conditions, the provisions of your Y!mobile communication service contract will apply.
That's all.
Update History
Created on August 7, 2026


Notes]
Campaign Name
Y!mobile Online Store Anniversary Celebration Grand Raffle
Application period
From 0:00 AM on Friday, August 7, 2026 to 11:59 PM on Wednesday, September 30, 2026
*Due to unavoidable circumstances, the application period may be changed without prior notice.
Prizes and Number of Winners
From those who applied during the campaign period, a total of 71,570 people will be selected by lottery to receive the following prizes.
1st Prize: AirPods Pro 3 (1 winner)
Second prize: AirPods 4 (9 winners)
Third prize: PayPay points worth 10 yen (71,560 winners)
*The specifications, contents, and number of winners of the prizes may be changed without notice due to unavoidable circumstances. *The prize images are for illustrative purposes only.
How to Apply
Please fill in the required information on the entry form on this campaign page to complete your application.
Each person may only enter once per day. Subsequent entries on the same day will be invalid.
*Applications cannot be canceled after completion. *Application methods may be changed without prior notice due to unavoidable circumstances.
Eligibility
For those residing in Japan
Those who agree to these application terms and conditions
In the case of a minor, the consent of a parent or other legal guardian is required.
* Employees of SoftBank Corp. and those affiliated with this campaign are not eligible to participate.
Lottery and Winner Announcement
Winners will be determined through a strict lottery process.
Winners of the 1st and 2nd prizes will be notified by the delivery of their prizes to the address entered in the entry form.
Third-prize winners will receive a PayPay points code via the email address entered in the entry form.
We will not contact those who were not selected individually. We cannot answer inquiries regarding the selection method or the results.
Prize shipping/delivery period
The prizes are scheduled to be shipped or delivered sequentially starting in late October 2026.
*Shipping and delivery dates may change due to unforeseen circumstances. *If we are unable to deliver the prize due to incorrect information entered, email receiving settings, prolonged absence, unknown address, or other reasons, your winning entry may be invalidated. *Prizes and PayPay point codes will not be resent.
About PayPay Points
PayPay points will be awarded via PayPay point code.
PayPay points cannot be withdrawn or transferred.
It can also be used at PayPay and the official PayPay Card store.
To use PayPay points, you need to download the PayPay app and register a PayPay account.
Depending on your device, operating system, or filtering service settings, you may not be able to use the PayPay app.
PayPay point codes have an expiration date. The expiration date will be stated in the winning email.
The maximum number of PayPay points you can use to top up your PayPay account with a winning PayPay point code is 5 per PayPay account.
Handling of personal information
The personal information you provide when applying will be used for contacting you regarding this campaign, sending out prizes, and providing you with information about our products and services.
Except as required by law, we will not provide your personal information to third parties without your consent. For details on how we handle personal information, please refer to SoftBank Corp.'s Privacy Policy.
Other notes
Internet connection fees and communication charges required to participate in this campaign will be borne by the applicant.
You can apply from your computer or smartphone, but depending on your device and usage environment, you may not be able to apply.
We are not responsible for any suspension or inability to use this website due to server failures, communication failures, or other reasons.
Entries submitted using fraudulent programs, tools, or any other method that we deem fraudulent will be invalidated.
If you do not agree to these terms and conditions, your entry or winning may be invalidated or canceled.
The details of this campaign and these terms and conditions are subject to change without notice.
There are no other campaigns that cannot be used in conjunction with this campaign.








SoftBank Certified Used Products*
iPhone SE (3rd generation) 64GB

Limited-time special price

SoftBank Certified Used Products*
iPhone 15 128GB

Limited-time special price







Switching from another carrier's network, new contracts, and Changing devices
Please apply through our online store.
It will be applied automatically.
Number transfer *1
Please register on the same day you apply through the online store.
Terms and Conditions for Offering the Free Administrative Fee Campaign
The "Administrative Fee Waiver Campaign" (hereinafter referred to as "this Campaign") is a campaign offered by SoftBank Corp. (hereinafter referred to as "the Company") to customers who meet the eligibility requirements described in these Terms and Conditions.
■ Application period
August 7, 2026 0:00 to September 30, 2026 23:59
■Campaign details
During the application period, apply at Y!mobile Online Store (hereinafter referred to as "Online Store") as specified below.
If you enter into a contract under these conditions, you will receive the following benefits as part of this campaign.
The conditions for receiving the benefits and the details of the benefits are as follows:
| Eligible applications | Eligible plans | Eligibility Criteria | Benefits |
|---|---|---|---|
| New contract (including MNP, number transfer *1) | Simple3 S | Online Store Contract |
3,850 yen (tax included) New contract or Changing devices Contract processing fee is free. |
| Simple3 M | |||
| Simple3 L | |||
| Switching models | - |
■Eligibility Requirements (for new contracts, including MNP/number portability)
① During the application period, you must apply for a new contract, MNP transfer, or number transfer for one of the eligible mobile communication service plans (Simple 3 S/M/L) through the online store (the line you apply for will be referred to as the "new line" below).
*Please note that no contract processing fee is charged for plan changes, therefore this benefit does not apply.
② Complete the activation procedure after signing the contract in ①.
③ If applying via number transfer, you must register for this campaign on the same day as your application in ① using our designated dedicated entry form. When registering, enter the mobile phone number of the line for which you applied for number transfer in ① in the mobile phone number field of the dedicated entry form.
(After completing your entry, we will send an SMS to the mobile phone number you provided. Please note that it may take some time for the SMS to be sent or received. If you do not receive it, please wait a while and check again.)
*If you sign up for an eligible plan with a new contract or MNP (Mobile Number Portability), you do not need to enter this campaign.
■Applicable conditions (for Changing devices)
① Customers who already have a Y!mobile communication service contract must apply for Changing devices that includes the purchase of a new device through the online store during the application period (the line for which Changing devices application is made will be referred to as the "eligible line" below).
② After signing the contract in ①, complete the switching procedure for the target line.
■Cases where this campaign does not apply (new contracts (including MNP/number transfer))
- If your new line application is canceled or you are unable to subscribe (including cancellations within 8 days).
- If a new line is transferred or assigned to a third party before the initial billing amount for the new line is finalized within our company.
- If you cancel a new line before the initial billing amount for the new line is finalized within our company.
- If we determine that you have applied for the target plan with fraudulent intent, or if we determine that it is inappropriate to apply this campaign to you.
■Cases where this campaign does not apply (e.g., Changing devices)
- If your application for Changing devices is canceled or you are unable to subscribe
- If, after Changing devices, the target line is transferred or assigned to a third party in the month in which the switching procedure for the target line is completed.
- If you cancel the target line in the month in which the switching procedure for the target line is completed after Changing devices.
- If we determine that you have applied for the target plan with fraudulent intent, or if we determine that it is inappropriate to apply this campaign to you.
■Notes
This campaign may be terminated or its contents changed without prior notice.
This campaign may not be combined with certain other campaigns, programs, or discounts.
■ About these Terms and Conditions
• The terms and conditions of this agreement may be changed. In such cases, the fees and other terms and conditions will be governed by the revised terms and conditions. The latest terms and conditions will be posted on the online site.
‧ If we change the terms and conditions of this agreement, we will notify you in advance by posting the changes on our online site, by sending a text message (a message consisting of numbers, symbols, and other characters transmitted from the subscriber's line or our telecommunications equipment), or by any other method we deem appropriate. However, in urgent or unavoidable circumstances, we will notify you afterward.
‧ For matters not covered in these Terms and Conditions, the provisions of your Y!mobile communication service contract will apply.
That's all.
Update History
Created on August 7, 2026


Notes]
Campaign Name
Y!mobile Online Store Anniversary Celebration Grand Raffle
Application period
From 0:00 AM on Friday, August 7, 2026 to 11:59 PM on Wednesday, September 30, 2026
*Due to unavoidable circumstances, the application period may be changed without prior notice.
Prizes and Number of Winners
From those who applied during the campaign period, a total of 71,570 people will be selected by lottery to receive the following prizes.
1st Prize: AirPods Pro 3 (1 winner)
Second prize: AirPods 4 (9 winners)
Third prize: PayPay points worth 10 yen (71,560 winners)
*The specifications, contents, and number of winners of the prizes may be changed without notice due to unavoidable circumstances. *The prize images are for illustrative purposes only.
How to Apply
Please fill in the required information on the entry form on this campaign page to complete your application.
Each person may only enter once per day. Subsequent entries on the same day will be invalid.
*Applications cannot be canceled after completion. *Application methods may be changed without prior notice due to unavoidable circumstances.
Eligibility
For those residing in Japan
Those who agree to these application terms and conditions
In the case of a minor, the consent of a parent or other legal guardian is required.
* Employees of SoftBank Corp. and those affiliated with this campaign are not eligible to participate.
Lottery and Winner Announcement
Winners will be determined through a strict lottery process.
Winners of the 1st and 2nd prizes will be notified by the delivery of their prizes to the address entered in the entry form.
Third-prize winners will receive a PayPay points code via the email address entered in the entry form.
We will not contact those who were not selected individually. We cannot answer inquiries regarding the selection method or the results.
Prize shipping/delivery period
The prizes are scheduled to be shipped or delivered sequentially starting in late October 2026.
*Shipping and delivery dates may change due to unforeseen circumstances. *If we are unable to deliver the prize due to incorrect information entered, email receiving settings, prolonged absence, unknown address, or other reasons, your winning entry may be invalidated. *Prizes and PayPay point codes will not be resent.
About PayPay Points
PayPay points will be awarded via PayPay point code.
PayPay points cannot be withdrawn or transferred.
It can also be used at PayPay and the official PayPay Card store.
To use PayPay points, you need to download the PayPay app and register a PayPay account.
Depending on your device, operating system, or filtering service settings, you may not be able to use the PayPay app.
PayPay point codes have an expiration date. The expiration date will be stated in the winning email.
The maximum number of PayPay points you can use to top up your PayPay account with a winning PayPay point code is 5 per PayPay account.
Handling of personal information
The personal information you provide when applying will be used for contacting you regarding this campaign, sending out prizes, and providing you with information about our products and services.
Except as required by law, we will not provide your personal information to third parties without your consent. For details on how we handle personal information, please refer to SoftBank Corp.'s Privacy Policy.
Other notes
Internet connection fees and communication charges required to participate in this campaign will be borne by the applicant.
You can apply from your computer or smartphone, but depending on your device and usage environment, you may not be able to apply.
We are not responsible for any suspension or inability to use this website due to server failures, communication failures, or other reasons.
Entries submitted using fraudulent programs, tools, or any other method that we deem fraudulent will be invalidated.
If you do not agree to these terms and conditions, your entry or winning may be invalidated or canceled.
The details of this campaign and these terms and conditions are subject to change without notice.
There are no other campaigns that cannot be used in conjunction with this campaign.





円
24回払の場合
1~24回 円/月
36回払の場合
1~36回 円/月
48回払の場合
1~24回 円/月
25~48回 円/月
25~48回が支払不要になるオトクなプログラムご用意!
48回払いで購入し25カ月目に特典利用・回収完了・査定完了が条件。査定基準外は別途2.2万円。購入時期等で支払金は変動。法人は対象外。
オンラインストア 在庫なし