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

1. Switch off the device. 2. Remove the battery. 3. After a few seconds, re-insert the battery, and switch on the device.