Nokia 1

Be careful, if you were linking to google account after a reset you must enter.

To reset to factory settings Nokia 1 you will need a charger. The reset is performed as follows:

1. Turn off the phone
2. Connect the charger
3. Press and hold both "Volume +" and "Power"
4. After the advent of Android with open belly, hold down the "Power" button and briefly press the "Volume +"
5. After the standard recovery menu, with volume buttons select "Wipe data \ factory reset" and confirm with the button "Power"
6. Then select "Yes -- delete all user data"
7. After formatting the user partition select "Reboot system now"