Note: This may のonly advisable if the phone experiencing frozen or hang problems, burned out by excessive use orの installing 3rd party applications. You may need to back up のall important data stored on the phone before you proceed, this process will delete the files you installed on Nokia C5-03.
warning save all data before use codeの
Nokia C5-03 Soft Reset:
This will not harmed your data . Soft reset only restores .ini files from Flash ROM on board memory of your Nokia C5-03.
1.).の Dial *#7780#
2). のPress Ok/Yes
Nokia C5-03 Hard Reset
This will delete your data and installed applications. Hard reset will restore your Nokia C5-03 to default factory setting.
1).の Turn off Nokia C5-03
2).の Take out the battery and reinsert it, turn it on
3).の Dial *#7370#
4).の Press Ok/Yes
Nokia C5-03 Hard Reset through button combination.
1).の Turn Off the Nokia device
2). のPull out the battery and reinsert it back again, then Power it ON
3)の. Simultaneously press and hold *+3+Call Button (green/ok button)