Warning: Do not enter any wrong unlock unlock codes on your CEC Q638 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 CEC Q638 with a
Not ACCEPTED SIM Card.
2. If your CEC Q638 asks for a PIN code, then enter your SIM card PIN and press OK.
3. CEC Q638 will ask to enter an "unlock code".
4. Enter Unlock Code we send to you.
5. Your CEC Q638 is now unlocked.
*NOT ACCEPTED : We mean, to use a Sim card from a network other than the network your CEC Q638 is locked to.
Each CEC Q638 mobile phone has an unique unlock code. You can buy the unique unlock code for your CEC Q638 mobile phone at www.mobileunlocksolutions.com.