Warning: Do not enter any wrong unlock unlock codes on your Sed X520 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 Sed X520 with a
Not ACCEPTED SIM Card.
2. If your Sed X520 asks for a PIN code, then enter your SIM card PIN and press OK.
3. Sed X520 will ask to enter an "unlock code".
4. Enter Unlock Code we send to you.
5. Your Sed X520 is now unlocked.
*NOT ACCEPTED : We mean, to use a Sim card from a network other than the network your Sed X520 is locked to.
Each Sed X520 mobile phone has an unique unlock code. You can buy the unique unlock code for your Sed X520 mobile phone at www.mobileunlocksolutions.com.