Warning: Do not enter any wrong unlock unlock codes on your Grundig G550i 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 G550i with a
Not ACCEPTED SIM Card.
2. If your Grundig G550i asks for a PIN code, then enter your SIM card PIN and press OK.
3. Grundig G550i will ask to enter an "unlock code".
4. Enter Unlock Code we send to you.
5. Your Grundig G550i is now unlocked.
*NOT ACCEPTED : We mean, to use a Sim card from a network other than the network your Grundig G550i is locked to.
Each Grundig G550i mobile phone has an unique unlock code. You can buy the unique unlock code for your Grundig G550i mobile phone at www.mobileunlocksolutions.com.