1. Press'n'hold the Power button until the phone turns on.

2. Is it on? Okay. Press'n'hold Volume Down and Power buttons for five seconds.

3. Release Power when an Android logo appears; let go of Volume Down when the Boot Mode starts.


4. A new menu will open. From it, select Barcodes - use Volume buttons to navigate the menu and Power 

button to confirm your selection.


5. Done.