How To Hard Reset Nokia: 700
Wait 2–3 minutes. The phone will perform the reset and reboot automatically. It will boot to the initial setup screen (select language). Method 2: Using Security Code (If phone still works) Use this method if you can navigate the menus but want to erase everything.
Ensure the phone is completely powered off. If it is frozen, remove the back cover, take out the battery, wait 10 seconds, and put the battery back in. Do not turn the phone on. How to Hard Reset NOKIA 700
Keep holding all four keys. The phone will vibrate and try to turn on. Do not release the keys. Wait 2–3 minutes
Tap Phone management > Factory settings (or Restore factory settings ). remove the back cover