Warning: Do not enter any wrong unlock unlock codes on your Blackberry Z5 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. Using the Menu press the settings icon.
2. From the Settings screen select "Security and Privacy".
3. From the "Security and Privacy" screen select "SIM Card".
4. Look for a button labeled "Unlock Network" and press it.
5. On the 'SIM Security' screen, the number of attempts remaining is written in red.
Warning:You have a total of 10 tries to enter your unlock code. If you use up all 10 tries your phone will be permanently locked! If you have less than 5 tries left, please contact support before continuing.
6. Enter the 16 digit unlock code that you received via email and press "OK".
7. Your code will be accepted and you should see the section displayed in this image.
Note: For some models if the 16 Digits unlock code don't work, you need to enter the first 8 Digits of the code instead of the complete 16 Digits.
Each Blackberry Z5 mobile phone has an unique unlock code. You can buy the unique unlock code for your Blackberry Z5 mobile phone at www.mobileunlocksolutions.com.