My S21 Ultra doesn't have the required software to connect with Airtel 5G. 

Huge improvement in Screen on Time after UI 5.0 beta upgrade. A jump of 1.5 hrs from avg. 6.5 hrs >> 8 hrs.

Recent Android 12 (UI 4.0) update for S21 ultra is full of bugs and reduced the overall user experience in comparison to UI 3.11. Appstore working wierdly, some apps are not updating and throwing errors. 2. Adaptive refresh rate isn't working for Twi...