Last night, after running a cpu heavy app and depleting the battery, I charged my Samsung Galaxy Express (GT-I8730) and left it for about 9 hours. This morning I turned it on and it booted normally. I left it for about 45 minutes (I forgot whether on or off the charger) and it was off and wouldn't turn on. I can't get to the boot screen and volume up + home doesn't work. My multimeter shows there are 3.3V left in the battery and the phone is rated for 3.8V.
Anyone know what I should do?
Read more: My Samsung Galaxy Express won't turn on?