First method, if possible, connect it to another 5G device or to a wife if possible.Second step: Remove the cover of your phone and keep your phone near the AC or cooler from where very strong cold air is blowing. Hold your phone with your hand near ...
This happens due to heating. When the phone gets too hot, then this problem is seen. Whenever you do heavy loading or downloading from the phone, then take the phone to a cool place.