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.
    Format SIEMENS AL21
  2. Next tap this code: *#9999#
  3. Then your phone will reset and restart.

rating star rating star rating star rating star rating star
No rating


Hard Reset will erase all of your data.
All described operations you are doing at your own risk.
Help! This doesn't work.