My S5e has been restarted randomly in every 2-10 hours, what to do to fix it?

[kokoroanime]

That doesn't make sense , a notification sound not turn on makes it randomly restart .
If it works very good

Sent from my SM-F721U1 using AC Forums mobile app

The tablet is up now 24/7 without bring restarted by itself thanks to all notification sound turned on.

 

[mustang7757]

The tablet is up now 24/7 without bring restarted by itself thanks to all notification sound turned on.

Makes no sense lol

Sent from my SM-F721U1 using AC Forums mobile app

 

[kokoroanime]

Never mind, it doesn't help.

 

[B. Diddy]

I think it's time to do the factory reset.