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