It’s not that complicated to hard reset Nokia Microsoft Lumia 640 XL. All you need to know is the exact thing where to press and where to do a hard reset of your Nokia Microsoft Lumia 640 XL. But before doing a hard reset or factory reset of your phone, make sure that you have a backup of all the important files. Let’s take a look at the total procedure to hard reset Nokia Microsoft Lumia 640 XL.
Lumia 640 hard reset
- At first, turn off your phone
 - Press on the Power button with the Volume-down button and hold it until you see an exclamation mark (!)
 - Release all the buttons
 - Now press these buttons in exact order:
Volume-Up-Button
Volume-Down-Button
Power-Button
 
And then a hard reset will be started shortly.
Lumia 640 xl hard reset #2
- At first, open your windows phone Setting
 - Press on the “About“
 - Now, simply press on the “Reset your phone“
 - Your phone will start the factory reset shortly.
 
But make sure that you have a backup of all the important files.