"My page application" is a monthly usage fee such as old FREETEL SIM / monthly option,It will be an application that allows you to check your registration information.【feature】(1) Confirmation of usage feeYou can easily check usage charges such as SIM and monthly options.You can check the usage status from the current month to the past 3 months.(2) Confirmation of registered informationYou can check the registration information and payment information that you registered when you signed the contract.(3) Confirmation of contract statusYou can check the list of billing plans and monthly options for SIM services currently under contract.(4) Switch SIM service saving mode (ON / OFF)You can easily switch ON/OFF of the "saving mode" function of the SIM service.By turning on the saving mode, the maximum speed of data communication is limited to 200kbps.While saving mode is ON, the remaining data communication capacity is not consumed.(5) Various inquiriesIt is possible to make various inquiries.Change of credit card, change of registration information, operation method of smartphone, report of failure or malfunction, etc.You can contact us.[Price plan provided by Rakuten Mobile]"Reliable plan for as much as you use" data only, "Reliable plan for as much as you use" with voice call"Fixed rate plan" data communication only, "Fixed rate plan" with voice call, "Premium value plan","Smart Comic Comic Plan" "Reliable Plan for Smart Comic Comi""Fixed Price Plan FOR Smart Comic Comic Plan" "Smart Comic Comic Plan + Plan""Reliable plan for as much as you use FOR smart comics +" "Fixed price plan FOR smart comics + plan""Data-only plan FOR smart comic + plan"[Various optional services]"Anshin Security Pack", "Data Recovery Service", "PREMIUM Compensation""Connectable Terminal Compensation", "Kake-hodai Anyone", "music.jp", "Karadamedica"