Hi.my phone model is nokia 5233 and v21.1 & Rm 625. some days age i am port my phone nokia 5236 & v40.9 .after that when i use internet them restart my phone automatic with 30 menute.how can i solve this problem .plz plz watting for reply.

Have you tried to manual reset your cellphone? Warning! It will reset all your users settings and also will erase your files and contacts saved in your phone memory.

Restore the original factory settings

Restore original settings
Select Menu > Settings and Phone > Phone mgmt. >
Factory settings.
You can reset some of the settings to their original values. To
do this, you need the lock code.
After resetting, the device may take a longer time to power
on. Documents and files are unaffected.


Nokia 5233 hard reset with buttons / keys



Press and hold GREEN + RED + CAMERA when powering up, then
input default 12345 security code.

You can also try this Total Reset or Hard Reset for nokia 5233

This option restores the original operating system from the ROM.
Formats the C: partition and deletes all data including the memory
card. Key Code *#7370# (click this combination of keys on the keyboard
in the mobile