I recently purchased M31 handset, I am using Vodafone n Airtel sim in mobile. Both are the fastest 4G network in my area. after starts to use this mobile, initially handset start heating but after SW update i am facing network problem very badly while others family member getting good network speed in the same network & same location with Samsung handset like J7 prime and J6..
Yeah bro :( ..., I'm also facing very bad network issues with M31, before I had MI Note 5 Pro which far better than this M31 ... I didn't expect this kind of problems from brand new phone that too SAMSUNG ...to get internet I should have to go upstairs ..don't know SAMSUNG would come forward to solve this issue ....let's hope for the best that's it
2. Check network operator settings Settings > Connections > Mobile networks > Network operators > Select automatically > OK > Registered on network.
Note: We recommend to set device network operators as LTE/3G/2G (auto connect) mode.
For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).
