Warning: Do not enter any wrong unlock unlock codes on your Grundig GR660 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 Grundig GR660 with a
Not ACCEPTED SIM Card.
2. If your Grundig GR660 asks for a PIN code, then enter your SIM card PIN and press OK.
3. Grundig GR660 will ask to enter an "unlock code".
4. Enter Unlock Code we send to you.
5. Your Grundig GR660 is now unlocked.
*NOT ACCEPTED : We mean, to use a Sim card from a network other than the network your Grundig GR660 is locked to.
Each Grundig GR660 mobile phone has an unique unlock code. You can buy the unique unlock code for your Grundig GR660 mobile phone at www.mobileunlocksolutions.com.