huwaei GT620S-L02 is locked and no power on and no connect to usb

[kentoyban]

pls help my cellphone huwaei GT620S-L02 is locked and no power on and no connect to usb

 

[B. Diddy]

Welcome to Android Central! Try pressing and holding Power for at least 20 seconds. If nothing happens, the battery might have failed. Bring it to a repair shop to see if a replacement battery helps.