Mini Fit Plan+

Application required

  • New SoftBank members:Applies from the first month
  • Existing SoftBank members:Applies from the next billing month
Three-level flat-rate plan to suit your date usage

■ Usage charges

  1. ☆1
    [Subscription example]
    With SoftBank Hikari Family (5,720 yen/month): Customers who sign up for a two-year automatic renewal plan on or after July 1, 2022, will be charged a termination fee of 5,720 yen if they cancel outside the designated cancellation month.
    Certain options start from 550 yen/month. See our website (https://softbank.jp/3KFWQRZ) for details.
  2. ☆2
    Some calls, such as Navi-dial numbers (starting with 0570), are not included and will be charged.

The Semi-flat-rate Option is ideal for shorter calls, while the Flat-rate Option is best for longer conversations.

【Basic Plan (voice)】

  • Calls to family members in your family discount group are free 24 hours a day when the family discount applies. Calls within Japan other than to family members are charged at 22 yen/30 seconds. International phone calls, satellite phone calls, calls to numbers starting with 0570 and other numbers that are charged at rates set by other companies, directory assistance (104), etc. are not included in these call charges. Refer to our terms and conditions for more information.
  • Charges are incurred when sending an SMS. See our provision condition document for details of the charges.
  • Certain discount services, such as USIM-only Exclusive Discount, are not applicable.
  • The basic usage charge is not calculated pro rata for the cancellation month unless you cancel during your sign-up month【. Data Plan Mini Fit+】
  • This data plan cannot be used for certain models, such as 3G-only models.
  • The maximum communication speed will be reduced to 128 kbps until the end of the billing month if your monthly data use has exceeded 3 GB.
  • When existing SoftBank users apply for Data Plan Mini Fit+, it applies from the next billing month. (May differ in some cases. See the provision condition document for details.)
  • The flat-rate charge is not calculated pro rata for the cancellation month unless you cancel during your sign-up month.
  • This service cannot be used with family or corporate Communication Capacity Sharing.
  • A 5G-ready model is needed to use 5G communication services.
  • On this plan, unused data allowance from the current billing month cannot be carried over for use in later billing months. 【Semi-flat-rate Option+ and Flat-rate Option+】
  • These optional services allow you to pay a flat rate to receive discounts on call charges, etc. and use Voicemail Plus, Usage Stoppage Service, Call Waiting, and Group Calling. International roaming call charges, international phone call charges, satellite phone call charges, calls to 0570 and other numbers that are charged at rates set by other companies, directory assistance (104), calls within Japan to the voicemail center from SoftBank mobile phones, etc. are chargeable. In addition, other numbers designated by SoftBank (calls to specific telephone numbers connected when using telephone services provided by other companies) are designated as chargeable because they fall outside the purpose of providing this service. See https://www.softbank.jp/mobile/set/data/legal/spguide/pdf/sp_sumahodai_numberlist_kiyaku.pdf for details. If a member is signed up for iPhone Basic Pack, Smartphone Basic Pack, Mobile Handset Basic Pack, or Mobile Handset Basic Pack for 4G Mobile Handset and applies for this service, the original basic pack will be canceled as of the application date.
  • The information provided is current as of November 10, 2025.
  • The described call charges and communication charges do not apply when using the international service.
  • Some communications may be restricted in some cases.