Hard reset Microsoft Lumia 640 XL LTE

OS: Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10

CPU: Quad-core 1.2 GHz Cortex-A7

Display: 5.7" inc

Camera: 13 MP, Single

For Hard reset Microsoft Lumia 640 XL LTE use following steps

1. Use the Power button to turn off your phone.

2. Press the Volume Down and Power buttons simultaneously for a few seconds.

3. When an exclamation mark appears on the screen, release the held buttons.

4. Press the following sequence of buttons Volume Up -> Volume Down -> Power -> Volume Down.

Thomas Nilan
Smartphone Expert

Thomas Nilan is a mobile phone expert with in-depth knowledge of the Android and iOS operating systems, who understands the settings of various hidden features that allow you to expand the capabilities of your smartphone, as well as get information about what is going on inside the phone for future repairs. He is an authority in his field, which has allowed him to become a ghostwriter for several technology publications, and he enjoys writing small mobile applications for testing smartphones.