Warning: Do not enter any wrong unlock unlock codes on your Sony C2104 mobile phones. If you enter over a certain amount of wrong unlock codes on your mobile phone, your phone may get hard locked and sometimes become unusable.1. Switch ON your Sony C2104 with a
Not Allowed SIM Card.
2. Your Sony C2104 will request to enter an unlock code.
3. Tap the box where you have to input the code and a number pad will appear.
4. Type in the unlock code we send to you.
5. Press the 'Unlock' button on the phone.
6. Your Sony C2104 phone should now be unlocked.
*NOT ACCEPTED : We mean, to use a sim card from a network other than the network your Sony C2104 is locked to.
Each Sony C2104 mobile phone has an unique unlock code. You can buy the unique unlock code for your Sony C2104 mobile phone at www.mobileunlocksolutions.com.