Lately I have been letting my phone charge fully and then turn it off for the next day, but when I turn it on the next day it is in the red and about to die. It does it to me at work also. I will turn my phone off before work with the battery at about 70%-60% and I will turn it back on after work and it will be at yellow or red. I will turn it off and back just to see if its the phone not reading the battery right. I have only had the phone since christmas and I ready to give it back. Please help!