How To Unlock HTC & T-Mobile G1, G2:
Model: All HTC Model
1. Insert an unauthorized Sim Card and turn ON your phone
2. Phone will ask "SIM Network Unlock Code"
3. Enter Unlock Code
Model: HTC Snap/Dash 3G
1. Insert an authorized Sim Card and turn ON your phone
2. Go to Setting.
3. Select Security.
4. Select Unlocking SIM.
5. Enter Unlock Code.
Model: Telus & Verizon HTC Touch Pro2 / Ozone / Imagio
1. Start
2. Go to Setting.
3. Select Security.
4. Select SIM Unlock My Phone.
5. Enter Unlock Code.
6. Go to main Menu, select Phone Network Mode.
7. Select GSM/UMTS only.
Model: United Kingdom Orange Desire
1. Insert an unauthorized Sim Card and turn ON your phone
2. Phone will ask "SIM Network Unlock Code"
3. Enter Unlock Code
4. "SIM Service Provider Unlock PIN".
5. Enter Unlock Code again.