A hard reset will erase ALL data on your phone, including contacts, messages, photos, apps, and saved passwords. Please back up your data first using Nokia Suite (PC) or cloud storage.
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. A hard reset will erase ALL data on
After about 10–15 seconds, the screen will flash white, and you will see a formatting gear icon or a black screen with text. You can now release all keys. If it is frozen, remove the back cover,
There are two methods to hard reset a Nokia 700: Use this method if the phone is frozen, stuck on the Nokia logo, or won't turn on properly.