My phone automatically freezes and switches off on it's own and then restarts.

It has happened on multiple occasions and is not fixed even after I got it checked at the service station. What to do?
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It has happened on multiple occasions and is not fixed even after I got it checked at the service station. What to do?
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@jay.2606vithlani Let me send you a PM with some follow-up questions.
I'll be happy to chat Gustav