Why my mobile won't start..?

[Shaharbano Akbar]

i have honor G620S-Ul00 4.4.4 it won't start i keep press vol+power button 15 sec but it does't work at all it only shows android it won't turn on help me to fix this problem..

 

[B. Diddy]

Welcome to Android Central! It's likely a problem with the firmware or hardware. Unfortunately, there may not be much you can do. I assume it's no longer under warranty, correct?

 

[WowSpring6]

Maybe the battery is died or the connection is short.