I have a Samsung galaxy S4 and just today my battery life has decreased so much. It usually never drains when not in use but now even when my phone isn't in use (like when im asleep) it drains very quickly. I installed an app to check what's draining my battery but it's nothing unusual that I just downloaded recently. It says i used 6% in only 10 mins!! My phone is sort of heated too for no reason. Not sure what caused this literally overnight and how to fix it. Help please!!! I want to fix this!