Unlock a jailbroken iPhone 3GS to use it with T-mobile. DISCLAIMER: This only works with an iPhone 3GS, not any other iPhone, and only on firmware 3. 0 or lower. 1. Turn off 3G under "settings" and then "general". 2. Go to Cydia. 3. click "manage" and then "sources". 4. Press "edit" and then click "add". 5. Type in: http: //repo666. ultrasn0w.com. 6. Add source. 7. Wait for it to update the sources. 8. Click "repo666" and then "Ultrasn0w". 9. Click "install" and wait for it to install . 10. Hit the home button. 11. Remove the SIM card and replace it with your T-mobile SIM card. You should get T-Mobile service and now have a fully unlocked iPhone 3gs !
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