The Easiest Way to Unlock your Phone for FREE
Please select the unlocking tool you want to use on your Siemens ST55 mobile phone.
This tool can be used to unlock Siemens mobile phones currently locked with any mobile network.
Note : Please try unlocking your Siemens ST55 mobile phone only once using the steps given below with the Siemens ST55 unlock code you get from our unlocking tool. If it does not work, do not try again as it may get your Siemens ST55 permanently locked. Do not enter any wrong unlock codes on your Siemens ST55 mobile phone. If you enter over a certain amount of wrong unlock codes on your mobile phone, your Siemens ST55 phone may get permanently locked and sometimes become unusable.
1 - Switch ON your Siemens ST55 with a NOT ACCEPTED SIM Card. 2 - Compose : *#0000*CODE#. (OR) 1 - Switch ON your Siemens ST55 with a NOT ACCEPTED SIM Card. 2 - Compose : *#0001*CODE#. NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Siemens ST55 is locked to. CODE: The unique unlock code for your Siemens ST55.