Network issueMake some network stabilising and network crash ,while you are doing in labs it showing good results but in reality it cause the worst,i know that network issue is from both sides but what can I see some mobiles work fine in worst signa...

While I launching the A3:STILL ALIVE the phone is rebooting continuously after I start with factory reset mode the phone working too bad ,it is hanging too much the signal strength is too low even in the cityDevice:Samsung A50s