ive tried taking out the battery, holding the down volume, home button and power button at the same time still nothing. but when i take out the battery and put it on the charger the led light is red and goes away eventually. its just on the charger with the battery in it now but still nothing. it was at about less than 20% when this happened. it is rooted and im on 4.1.1. need help asap i need my phone for work.