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