Warning: Do not enter any wrong unlock unlock codes on your Grundig C310 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 C310 with a
Not ACCEPTED SIM Card.
2. If your Grundig C310 asks for a PIN code, then enter your SIM card PIN and press OK.
3. Grundig C310 will ask to enter an "unlock code".
4. Enter Unlock Code we send to you.
5. Your Grundig C310 is now unlocked.
*NOT ACCEPTED : We mean, to use a Sim card from a network other than the network your Grundig C310 is locked to.
Each Grundig C310 mobile phone has an unique unlock code. You can buy the unique unlock code for your Grundig C310 mobile phone at www.mobileunlocksolutions.com.