my mobile m30s automatically restart minimum 30 to 40 time inone day

[Rajan28892]

Solve my problem 

[arahaman]

Same problems in m21

[CAMFQ]

Same problem here

[MatthewI632]

Currently there's no other solution besides replacing motherboard.

Downgrading your Android version may fix the issue, but there's no guarantee it will be 100% fixed.

[Samsung_Support2]

Dear Samsung Member,

Greetings from Samsung Customer Support!

We apologize for your inconvenience. 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