Why does my HTC One M8 keep restarting on its own?

[AC Question]

There was no particular update or event that coincided with this problem. One day, it just started randomly restarting itself. It does it in my purse, while I'm on the phone, while I'm using an app, while I have music playing. It happens anytime, anywhere, regardless of being plugged in, having a full battery charge, or turning off all possible processes. I'm about to just get rid of the thing, but would love it to work again!

 

[H3aTeRzz]

Hi

Try Wiping the cache partition: How to wipe cache partition on One M8 running Marshmallow | Droider.eu

I would suspect though, that it might be a hardware related issue, maybe battery itself. If Cache wipe doesn't help, I would suggest a Full Factory Reset.

Hope this helps!

Chris