![Android 12-based One UI 4 Beta brings Samsung's battery protection feature to Galaxy S21 - Sammy Fans Android 12-based One UI 4 Beta brings Samsung's battery protection feature to Galaxy S21 - Sammy Fans](https://www.sammyfans.com/wp-content/uploads/2021/09/One-UI-4-Beta-S21.jpg)
Android 12-based One UI 4 Beta brings Samsung's battery protection feature to Galaxy S21 - Sammy Fans
Aakash on Twitter: "@ashishnayakone @MiIndiaSupport @Xiaomi @XiaomiIndia @mia3 I got an new beta OTA update after android 10 https://t.co/V3IVSCQmS4 everything is working fine and best .. fingerprint and battery works now good..
![Getting super bad battery drain after Android 10 update. Adaptive Brightness seems to be not working as well. Tmo OP7Pro : r/oneplus Getting super bad battery drain after Android 10 update. Adaptive Brightness seems to be not working as well. Tmo OP7Pro : r/oneplus](https://i.imgur.com/cFwfsnX.jpg)
Getting super bad battery drain after Android 10 update. Adaptive Brightness seems to be not working as well. Tmo OP7Pro : r/oneplus
![The latest Beta 6 is the worst update I've received till date ..beta 5 atleast gave me 6hrs at the same battery percentage below: oneplusnord The latest Beta 6 is the worst update I've received till date ..beta 5 atleast gave me 6hrs at the same battery percentage below: oneplusnord](https://preview.redd.it/rm2eb6y0mxl71.jpg?width=1080&format=pjpg&auto=webp&s=b61ce66d33db3fd0e02a440d11717ab7b16a750c)