Warning: Do not enter any wrong unlock unlock codes on your Sonim XP1520 Bolt SL 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 Sonim XP1520 Bolt SL with a
Not ACCEPTED SIM Card.
2. If your Sonim XP1520 Bolt SL asks for a PIN code, then enter your SIM card PIN and press OK.
3. Sonim XP1520 Bolt SL will ask to enter an "unlock code".
4. Enter Unlock Code we send to you.
5. Your Sonim XP1520 Bolt SL is now unlocked.
*NOT ACCEPTED : We mean, to use a Sim card from a network other than the network your Sonim XP1520 Bolt SL is locked to.
Each Sonim XP1520 Bolt SL mobile phone has an unique unlock code. You can buy the unique unlock code for your Sonim XP1520 Bolt SL mobile phone at www.mobileunlocksolutions.com.