Mobile got restart and black screen with Samsung letter is appearing for long time

Android 10 beta is live in india

I am using s8 already it is 22 till now october security patch not received 

Airtel launches volte services in Chennai. in Airtel website they mentioned volte supporting samsung devices in the list a series, j series and series(s6 &s7) mentioned. s8 is not there for that airtel says some patches should be update by manufactu...