Option 2: Hardware key combination
- Use this option if the phone is locked and the consumer does not know the code
- Note: no warning about data loss!
- Do not advertise this feature to consumers!
Follow next steps to perform OS reset with phone keys.
Step 1
Make sure the phone is turned Off.
1. Press and hold the power key
2. Phone vibrates (release the
power key)
3. Press and hold the volume
down key
4. Exclamation mark is shown on
the screen (release the volume
down key)
Step 2
Input the following key
combination:
1. Volume up
2. Volume down
3. Power
4. Volume down
Step 3
The phone will reset and boot up
automatically. Please note that this
may take several minutes.
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