オンリーサービス マイページ（ONLY SERVICE）

ONLY SERVICE

Contains ads

About this app

■ Check Usage Charges
Check your billing history.
■ Check Contract Details
Check your contract details.
■ Check Data Usage
Check your data usage for the past three days, the previous month, and the month before.
■ Change Payment
Change or update your registered credit card.
■ Check Customer Information
Check or change your customer information.
■ FAQ
Check FAQs for troubleshooting help.
■ Other Useful Features
・Change Login ID
・Change Password
・Subscribe to Optional Services

*To use this app, you must have an ONLYSERVICE contract.

App Environment
This app is compatible with devices with our service contract and the following operating systems. (As of February 19, 2026)

Android 8.0 to Android 16
*Even if you are using one of the above supported operating systems, it may not function properly on some devices. We apologize for any inconvenience.
*Please note that support for Android versions earlier than 8.0 (7.x and earlier) has been discontinued.
We apologize for the inconvenience, but for customers using devices with Android versions lower than 8.0, we ask that you either upgrade your OS or use a different device with Android 8.0 or higher.

What’s new

最新OSへの最適化と軽微な不具合を修正しました