Overheating, clicking, vibrating

[Seltri76]

My LG Flex 2 keeps giving me an overheating message. I also hear a click every once and a while. (camera- like click) I do believe they usually happen around the same time but not positive. Also vibrates once, but no notifications. This happens a lot without the first two problems. Any suggestions on what it could be.

 

[B. Diddy]

Welcome to Android Central! Is it actually hot when you get the overheating message? If not, then has there been any water damage? Water damage seems to be associated with false overheating warnings on many phones.