when i turn on my sony xperia Z2 , i receive a black screen with "POWER OFF" button , i don't know what's the use of it exactly , and also when i receive a missed call or when i leave the screen on, it doesn't turn off after a delai please help me
I had a power off message when I had my Xperia Z. It happened when I Flashed an official update to it. Would only display once whenever I did a Factory Reset. This happened for a few updates after and then it never came back.
