How do I check the OS version and software build number of my Android device?

January 07, 2022 07:36

You can check the Android version and build number from [Settings] - [Device Information] - [Software Information] of your device.

Please check the latest build number for each model from the following URL.
AU: https://www.au.com/information/notice_mobile/update/
docomo: https://www.nttdocomo.co.jp/support/update/
Softbank: https://www.softbank.jp/mobile/info/personal/software/#year=2021
Rakuten Mobile: https://network.mobile.rakuten.co.jp/information/software/
UQMobile: https://www.uqwimax.jp/mobile/support/guide/update/
Y! mobile:

https://www.ymobile.jp/support/product/update/