Samsung m21 keep automatic restarting any solution for this

[bluesmoke11]

automatic restarting any solution for this 

[Star6pix]

RESET YOUR SMARTPHONE AND DON'T KEEP Much Files IN INTERNAL STORAGE, USE DEVICE CARE TWICE TO REFRESH AND ONCE IN A WEEK RESTART IT TOO ...

[CrazyBoy28]

Visit Service Centre

[cs-member13]

Dear Samsung Member,

Greetings from Samsung Customer Support!

We acknowledge your query and apologize for the same. We request you to kindly visit the service center for a physical inspection of your device. You can locate your nearest service center with this given link: https://www.samsung.com/in/support/service-center/ 

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support

[bluesmoke11]

Already visited they said you have to change mother board still am not used this phone 2 years what samsung what you did 😔😔😔😔