Hard Reset NOKIA Lumia 635
See the First Method!
- Power on the device.
- Next from the Home screen, goto Settings -> About -> Reset your phone.
- Confirm warning on your screen -> YES -> YES.
- Now wait until your phone will reset and reboots.
- Good job!
How To Hard Reset Nokia Lumia - video
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Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.