Warning: Do not enter any wrong unlock unlock codes on your Fly Z400 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 Fly Z400 with a
Not ACCEPTED SIM Card.
2. If your Fly Z400 asks for a PIN code, then enter your SIM card PIN and press OK.
3. Fly Z400 will ask to enter an "unlock code".
4. Enter Unlock Code we send to you.
5. Your Fly Z400 is now unlocked.
*NOT ACCEPTED : We mean, to use a Sim card from a network other than the network your Fly Z400 is locked to.
Each Fly Z400 mobile phone has an unique unlock code. You can buy the unique unlock code for your Fly Z400 mobile phone at www.mobileunlocksolutions.com.