1. Device Must be Switch off And battery Must be 50 % Charge
2. At first Enable Diag Mode
3. Then Don’t Disconnect the device Go to factory Reset Button Wait for a few seconds Done after Reboot the Device manual if automatically doesn’t restart the device.
2022 latest update
2021 July method
how to unlock nokia c20 screen password by diag tool | nokia c20 ta-1352
frp bypass with free tool until March 2022 and July 2020 update works perfectly.