Samsung galaxy s7 keeps reset

[Android Central Question]

My 2 years galaxy S7 keeps reset to home screen when I am playing games. What is wrong with my phone?

 

[Nermin Dulovic]

My S9 plus old 2 months is restarting by himself until I turn off.I try everthing with soft reset,factory reset ect.but still when I turn on it just keeping restart.Anybody know what isbthe problem??I bought in Singapoor the phone and its to expensive to send for warranty because dhl post wants around 600 usd.Please if anybody have a solution help me.