Contact your cell phone provider. Tell the representative that you need to unlock your phone. Verify that you are the owner of your PDA by providing your full name, address, telephone number and the last four digits of your Social Security number.
Enter the code into your phone once prompted. Verify that you entered the right code into your PDA. Press "OK" or the menu button when complete. You should now be able to use your PDA.
1. Make sure the hh (Handheld) turned on, not flight mode, then enter in hh EPST menu. Make each handset type & operator, the dial keypad to be different. For example Verizon TP1, press ##7764726# (## PROGRAM #). While Sprint TP2 code ##778# (##PST#), after is replaced by the ROM Energy, use code ##778.
to know the unlock code to edit the registry.
Install a registry editor for windows mobile. you may use Resco explorer, ceregeditor, PHM registry editor, mobile registry editor, etc.
Open the registry editor, go to HKEY_LOCAL_MACHINE \ SOFTWARE \ HTC \ ATDbgLog.
Change the contents of the registry "Enable" from "o" to "1" (without the quotes). Save & restart hh.
Wait a few minutes, open the registry editor, go back to the HKEY_LOCAL_MACHINE \ SOFTWARE \ HTC \ ATDbgLog. change "1" to "0". Save & restart hh.
Open the *. txt file ATDbg, look for the "Rx: + HTC_RMSL:" 6 digits are written afterwards, it is our MSL code. if there is some repetition RMSL and 6 different digits, record everything and then try.
4. Prepare the PRL file from the intended operator, eg smart PRL 10 009. save as native format (*. PRL) in the memory card / hh internal storage.