Unlocking Instructions for Siemens ST55

Model: Siemens ST55

1. Turn on your phone without a SIM card
2. Type the following: * # 0 0 1 2 * YOUR_CODE_HERE #
(Alternatively * # 0 0 3 2 * YOUR_CODE_HERE #)
3. The phone will now be unlocked

Note

Note: If the phone displays the message 'SIM MEP lock failed' or 'Phone code locked' you need to enter this code 12 times:

* * 0 0 0 1 2 * 0 0 0 0 0 0 0 0 #

Ignore the 'Code Error' warning messages.
The phone should now be unlocked.