Unlocking a HTC S710 can be free and requires an unlock code. By removing the HTC S710′s SIM lock you can use your mobile phone with any phone network you want. The unlock instructions below are provided completely free and you can usually get a free unlock code from your phone carrier by requesting one. If you cannot get an unlock code from your phone carrier you may have to use some free HTC unlocking software which you can learn more about here. In order to generate your HTC S710′s unlock code you will need to find your IMEI number first, which you can do by simply typing *#06# and hitting enter.
Once you have your HTC S710‘s unlock code, you can use the instructions below to remove the SIM lock. Here are the steps:
How To Unlock HTC S710 (SIM Unlock)
1. Power on your HTC phone with an unaccepted SIM card in (or no SIM card at all).
2. Enter your 8-digit unlock code you attained earlier.
3. Your HTC phone should be unlocked and may automatically reboot!
To see our full list of HTC unlock guide go here.