why did my tablet turn on by itself, and started flashing a blue screen when it was charging?

A

AC Question

My Samsung galaxy tab-3 suddenly turned on by itself when it was charging. Then the screen kept on flashing blue, and it would stop when I pressed the power off button. I unplugged it and left it for several minutes. When i checked on it again, it went back to normal, except the background has changed to the same blue it was flashing, and i can't get rid of the "device is fully charged" notification, even when the device is not charged. However, my lock screen background remained.
 

B. Diddy

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No, wiping the cache is safe, and doesn't erase any personal data. Cached data is not critical to the app or system--it's all temporary.
 

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