

(It might take a while for the reset to finish. Your phone should now reset and restart itself. Once the exclamation mark appears, press the following four buttons in this order: Volume up, Volume down, Power, Volume down. When you feel the vibration, release the buttons, and then immediately press and hold the Volume down button until you see a large exclamation mark. Press and hold the Volume down and Power buttons at the same time until you feel a vibration (about 10 to 15 seconds). On Lumia phones (and some others), use the following procedure to reset your phone. If your phone is unresponsive and you can't reach Settings, you may be able to reset your phone using the hardware buttons. Windows 10 - How to Reset Windows to Factory Settings without installation disc, this video shows you Restoring your Computer with 'Reset this PC Remove Everything' option. It might take a little while for the process to complete. If you're absolutely sure you want to restore your phone to its factory settings, select Yes, and then select Yes again. Select System > About > Reset your phone. To get to the tool, you need to perform a factory reset by choosing Troubleshoot > Reset this PC in the Advanced startup tool. On Start, swipe over to the All apps list, then select Settings.

Resetting your phone will erase all content stored on your phone, including apps and games (along with app data and game progress), text messages, call history, music, photos, and more.
