My s21 ultra 5g sometimes screen froze and restart why?

[Fahad098]

Issue

[SalmanZia]

So if your screen doesn't respond to any touches but you can see the phone running so that's screen issue or if your phone completely freezes not even running than its probably something wrong with your phone motherboard stuff

[Fahad098]

No first screen froze then after 1 2 second mobile restart

[Fahad098]

Mobile stuck for 1 or 2 second then restarted