Network disconnected automatically

[Dnm9919]

I have purchased Samsung A21s mobile, 64GB, 6GB RAM in two months back.

When any call is answering or dialing after connect the phone, the screen is go to JigJog, and screen displayed very up and downs, and open some apps automatically. Network also disconnected in running internet, it is very bad worrest phone in my life

Netw

[AM4N]

seems like a software issue, try and reset the device to factory settings

[Maroš]

a21s is only 3gb ram