Anirudh6002 , via OnePlus 7T , Jan 21, 2021 : I'm not receiving any calls or messages from anyone even when my network signal is good, not able to call anyone also, this is happening suddenly even without my knowledge. I have to restart my phone again to call anyone. This happens daily twice with my phone, can anyone help me
Anirudh6002 , via OnePlus 7T , Jan 22, 2021 : I changed the sim Same problem recurring I changed mother board of the phone Same problem