S21 ultra 5g. Mobile data disconnects automatically after several minutes of data use. Need to atleast reset the APN, reset network mode or airplane mode off-on, to get the data service again. Tried in safe mode too. Swapped sim cards. Resets network...

Is there any way to roll back beta update?

Full of problems....slow internet, slow performance, chrome not working properly......etc...etc...

Camera focuses only on the middle. While taking photos of a document, the camera focuses only in the center part. Didn't expect this from 1 lakh phone. Need a replacement.