Nokia 5800 hard reset
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 5800 hard reset with buttons / keys
Press and hold GREEN CALL + RED END CALL + CAMERA when + POWER powering up, then
input default 12345 security code.
Reset the Nokia 5800 XpressMusic device