Hard resetting and factory resitting your Microsoft Lumia 645 device helps to format the device system. It’s always advisable to hard reset your Microsoft Lumia 645 device whenever you notice much lag or freezes on your device, or maybe, your device got bricked or has encountered so many unexceptional errors, then it would be okay for you to take a fresh start with the device.
Before you try the factory reset or hard reset on your device, make sure that you have backup your important files. Restoring the default settings or factory reset your device will delete all your existing files and will go back to its initial state.
Factory Reset:
1.Open Windows Phone Settings
2.Tap "about"
3.Tap "reset your phone"
Hard Reset:
1.Turn off your phone
2. Then press the Power-Button once
3. Press and Hold the Volume-Down-Button until you see the exclamation point "!" on your screen
4.You can now release all buttons
5.Press the following buttons below once in exact order:
- Volume-Up-Button
- Volume-Down-Button
- Power-Button
- Volume-Down-Button
Your phone soon will start the Hard Reset shortly.
NB:
Your map will be erased if you restore your phone's factory settings. To download it again, go to =}} Settings =}} Applications =}}Maps =}}Download maps.
In some of the phone models where the map data is stored on the memory card, the map data will be preserved if you choose not to erase the SD card when resetting the phone.
