Why doesn't my S3 turn on unless its charging?

[AC Question]

my S3 does not turn on unless its charging

it can be 90% unplugged and it dies, i just changed my battery a month ago because it was doing the same thing also had the charger port changed to a new one ,a month ago . Can someone help me fix this phone i already spent $150 on it i don't want to waste anymore money

 

[B. Diddy]

Re: my S3 does not turn on unless its charging

Welcome to Android Central! Might be an issue with the Power button, or worse yet, something more fundamental on the motherboard. You probably won't be able to solve it without spending more money. At this point, it might be worth looking into a new phone.