Hard Reset NOKIA Lumia 625

Press Power button to switch off device.
Then tap Power button + Volume down
Release Buttons when device will vibrate.
When you will see exclamation mark press this sequence of keys: Volume Up -> Volume Down -> Power button -> Volume Down
Success! you can now work on device properly.

WARNING !
Hard Reset will erase all of your data
All described operations you are doing at your own risk.

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