Warning: Do not enter any wrong unlock unlock codes on your COSUN Q828 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 COSUN Q828 with a Not ACCEPTED
2. If your COSUN Q828 asks for a PIN code, then enter your SIM card PIN and press OK.
3. COSUN Q828 will ask to enter an "unlock code".
4. Enter Unlock Code we send to you.
5. Your COSUN Q828 is now unlocked.
: We mean, to use a Sim card from a network other than the network your COSUN Q828 is locked to.Each COSUN Q828 mobile phone has an unique unlock code. You can buy the unique unlock code for your COSUN Q828 mobile phone at www.mobileunlocksolutions.com.