How to Activate and Unlock T-Mobile G1
•1. Side out the Keyboard / Open Left Hand side Notch to unlock Battery Panel.
•2. Insert TMobile SIM Card and Battery.
•3. Press MENU Button Constantly and Switch the Phone using Red Talk End / Power Button but do not Release the Menu Key.
•4. This will put on the Phone in Safe Mode.
•5. Press to Emergency Dial Button, Windows dial *#06# and this will show IMEI Number: note it down
•6. Give IMEI to Unlock Code Provider www.unlockvilla.com
and get the Unlock Code.
•7. Now Return to main Screen and Press MENU Button this Will popup APN Button, Just Press it.
•8. Go to APN Setting. There will be so many APN already Preset. Again Press MENU Button this will show NEW APN Popup Button again Press.
•9. Remember to put Right MCC (Mobile Country Code), and MNC Mobile Network Code, G1 Matches SIM card Data of MCC / MNC with these Setting and then try to use that. Settings.
All World MCC / MNC codes is available here: http://en.wikipedia.org/wiki/Mobile_network_code
•10. Now Switch off the Phone and Wait for Unlock codes.
•11. Insert the Non T-Mobile SIM Card which you intend to use it with G1 and switch G1 on. (Your SIM must have
Data plan / GPRS Activated so G1 will able to contact google.com for Activation)
•12. HTC G1 will ask for Unlock Codes. Type unlock code carefully, typing wrong code thrice may make Phone Hardware Locked.
•13. Once Unlocked your GPRS / EDGE / 3G Data Service will be active as per APN Setting we did before.
•14. Type Google User name / Password in Signing Window and this will Activate the Unlock G1 Device on your SIM Card.
•15. Make other remaining Data Setting like MMS / Home Page / Port to Active other Data Service.
Your phone is not unlock and activated