back number app now includes a "custom icon feature" that allows you to change the app icon displayed on your smartphone's home screen!
Please choose according to your mood and preferences.

▼Target audience

Those who have installed back number app

▼Lineup (11 types in total)

・ back number official: 6 types

・ one room member limited: 5 types

*To use the "one room member limited" icon, you need to register as one room member and log in to the app.

▼How to set it up

Please select your preferred design from "My Page" > "Change Icon" in back number app.

*An update to the latest version of the app is required to use this feature.

*Please note that it may take some time for the changed icon to be reflected in push notifications only.

▼ Install back number app here

iOS：https://apps.apple.com/jp/app/back-number/id1304228982

Android：https://play.google.com/store/apps/details?id=info.oneroom