In order to hard reset a Nokia 6810, you should perform the following steps.

Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Nokia 6810 device will be brought back to the default configuration of a brand new device.


1. Turn on the phone.

2. Open Menu, select  Settings and Restore Factory Settings.
3. Open the Dialer and type in the lock code (12345 by default).
4. Voila, done.