I have updated the os update to u6.1 and now the screen is not responding and only it's responding to spen

I purchased a Samsung s21 ultra and it's not having sim card manager to add esim. Could you please help me to fix this issue. The device model is SM-G998N

My s10+ is not getting updates and it's not showing updates. I tried to reset the mobile and it's still the same. Could someone please help me to update this mobile

what's the charger capacity of Samsung Galaxy s8 plus I lost mine and I have to buy a new one.

Hi any one have corrected the device screen.My screen is cracked and I want to fix it. The device is working fine and touch is good. No issues with he touch but the glass is cracked. How much to fix the glass. When I check with Samsung they said 15k...