Before you begin:
A PIN (Personal Identification Number) is not the same as the unlock code (subsidy password), it is usually associated with protect your SIM card itself. If your phone asks for the PIN, do NOT enter the unlock code we gave you. The PIN code is set by the owner of the SIM card and is not something we can know.
Now you are ready to proceed, please select the make of your phone:
Windows PocketPC (Cingular HTC 8125, 8525, Tmobile SDA, MDA, XDA, HP iPaq, etc.)
Other useful articles:
The essential answers to common questions about GSM cell phone unlocking
How to set the WAP, MMS (Picture Messaging) on your T-Mobile, ATT and Sony Ericsson phones