I have a grand 4G prime.Still it gets overheated while using true 4G speed.This also happens while i play games or do some calls etc.Moreover this phone was great when i bought it but after using for 4-5months, performance problem starts.This phone even lacks the processor to run COC!Takes so much time to load and while playing...It's horrible.

Plz help with because the battery too drains much quickly!