Phone locks and have to reboot

[likwidkool]

Anyone have this issue? Happened twice so far out of the blue. The lock screen comes up but nothing works. I hit the power button and the phone just shuts off. I have to turn it back on and everything is fine. Also lost sound on my lock screen twice but totally unrelated. I am totally stock without root.

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[erwaso]

Sounds like a warranty needs to be used