The following steps are intended for the HTC 8XT running any Android software.
Tap the Phone Icon
Tap the Dial Pad Icon toward the button
Dial ## 72786 #
Tap MSL
Enter MSL, Then tap OK.
(Note: The MSL will be found in your activation email or can be found in your online account until Programming Instructions.)
Tap MSL
Tap MDN
Enter MDN, then tap OK. (Note: The MDN is your mobile number.)
Tap MSID
Enter the MSID, then tap OK
(Note: The MSID will be found in your activation email or can be found in your online account until Programming Instructions.)
Tap Save
Tap OK for the phone to restart.
Once the phone has restarted, it will be ready for use. Please make a test call to insure the programming steps were completed correctly.