In our description database there are 3 solutions for performing hard reset for Nokia N90.
Choose the first method and follow the steps to perform a hard reset. If the first solution does not work, try the next method.
Please remember! Hard reset will delete any and all data your device contains; like pictures, contacts, messages, apps etc. Everything. Nokia N90 device will be brought back to the same configuration as that of a brand new device.
1. Start up the phone.
2. Now press the Power + Call + * + 3 buttons. Release them when the Nokia logo pops on-screen.
1. Press-hold the Power button until the phone turns on.
2. Afterwards enter Menu. From there, go to Settings > Phone > Phone management > Factory Settings > Delete data and restore.