Hard Reset NOKIA C1-03
- Power button to switch on device.
- Then Call key to open phone's Dialer or go to Standby screen.
- Type in this code: *#7370#
- Call key to confirm whole process, after that handset must restart.
- Success! phone is ready to use.
How to Hard Rest NOKIA 3310 2017 - Reset Code in NOKIA
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.