Warning: Do not enter any wrong unlock unlock codes on your Haier Z3900 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 Haier Z3900 with a Not ACCEPTED
2. If your Haier Z3900 asks for a PIN code, then enter your SIM card PIN and press OK.
3. Haier Z3900 will ask to enter an "unlock code".
4. Enter Unlock Code we send to you.
5. Your Haier Z3900 is now unlocked.
: We mean, to use a Sim card from a network other than the network your Haier Z3900 is locked to.Each Haier Z3900 mobile phone has an unique unlock code. You can buy the unique unlock code for your Haier Z3900 mobile phone at www.mobileunlocksolutions.com.