Hard Reset SIEMENS AL21
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Hard Reset SIEMENS AL21
How to factory reset SIEMENS AL21? How to wipe all data in SIEMENS AL21? How to bypass screen lock in
SIEMENS AL21? How to restore defaults in SIEMENS AL21?
The following tutorial shows all method of master reset SIEMENS AL21. Check out how to accomplish hard reset by hardware keys and Vendor settings. As a result your SIEMENS AL21 will be as new and your core will run faster.
First method:
1. Power on the phone.
2. Next tap this code: *#9999#
3. Then your phone will reset and restart.

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