Yesterday suddenly my HTC 626g+'s screen blacked out and now its not switching on, what do I do?

[AC Question]

yesterday suddenly my htc 626g+'s screen blacked out nd now its not switching on wat to do??????

i was about to slide d screen when it blacked out i left d phone to charge whole night so dat d battery is full nd it gets cooled down but still its not switching on.. i need urgent help

 

[B. Diddy]

Re: yesterday suddenly my htc 626g+'s screen blacked out nd now its not switching on wat to do??????

Welcome to Android Central! Are you saying that the phone or battery seemed to overheat? An overheating battery during charging can be a sign that the battery has failed.