Iphone xs shuts down on its own

[Rishu asthana]

Hi
I havean iphone xs . It shits down on its own after that if we try to turn it on it wont . After some time if we try to get it on it gets on again it works for 3-4 hours and shuts off or restart on its own . Please help

 

[Holland08]

Hi, maybe you can try to force restart your iPhone. Alternatively, use iTunes to restore your iPhone after a backup.