Do you want to know how to hard reset a Windows 10 Mobile device? You will have to hard reset the device before selling it to someone else. Doing a hard reset a windows 10 mobile will delete anything and everything stored on the phone – be it apps, games, videos and photos.
Follow these steps:
1) Swipe to right and tap on Settings
2) Search for ‘About’.
3) Swipe down and you will find the option to factory reset the device. It will ask you confirmation if you are really sure. Just tap ‘yes’ and your device will be resetted.