While still holding those three keys, press and hold the Volume Down key as well. You are now holding 4 keys.
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. How to Hard Reset NOKIA 700
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. While still holding those three keys, press and
Tap Phone management > Factory settings (or Restore factory settings ). Please back up your data first using Nokia
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.