Warning: Do not enter any wrong unlock unlock codes on your Grundig U900 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 U900 with a
Not ACCEPTED SIM Card.
2. If your Grundig U900 asks for a PIN code, then enter your SIM card PIN and press OK.
3. Grundig U900 will ask to enter an "unlock code".
4. Enter Unlock Code we send to you.
5. Your Grundig U900 is now unlocked.
*NOT ACCEPTED : We mean, to use a Sim card from a network other than the network your Grundig U900 is locked to.
Each Grundig U900 mobile phone has an unique unlock code. You can buy the unique unlock code for your Grundig U900 mobile phone at www.mobileunlocksolutions.com.