This Video Will Show iPhone 3Gs & 3G Users How To Unlock On Firmware 4.1 Or 4.2.1 With Baseband 5.14.02 & 5.15.04 Using Ultrasn0w 1.2 YOU CAN UPDATE TO 4.2.1 THROUGH iTUNES IF YOU WANT TO, IT ALSO WORKS FINE WITH 4.1 FIRMWARE PEOPLE!! YOU DO NOT NEED THE iPAD FIRMWARE!!! THIS IS JUST A PRECAUTION WHEN APPLE STOPS HOSTING IT!!! 1. Update Your iPhone 3Gs/3G To 4.2.1 In iTunes OR STAY AT 4.1 2. Download Your 4.1 Or 4.2.1 Firmware Here: www.felixbruns.de Redsn0w 0.9.6b5 Windows Here: www.iphoneworld.ca Mac Version Here: www.iphoneworld.ca 3. After Restoring In iTunes To The Custom Restore Simply Search Cydia For Ultrasn0w And Install Then Reboot. Requirements __________________________ -UltraSn0w -SBSettings -An T-Mobile SIM -And of course an iPhone [[Notice T-Mobile Users Only Turn OFF 3G]] Heres the info you put in youre iPhone __________________________ Cydia Source – repo666.ultrasn0w.com Cellular data APN- epc.tmobile.com Username- LEAVE EMPTY Password- LEAVE EMPTY MMS APN- wap.voicestream.com Username- LEAVE EMPTY Password- LEAVE EMPTY MMSC- 216.155.174.84/servlets/mms MMS Proxy-216.155.165.50:8080 MMS Max Message size- LEAVE EMPTY MMS UA Prof URL- LEAVE EMPTY After you are done putting that info on youre iPhone start SBSettings And turn on EDGE And the internet service if you have it should work. Thanks you guys and hope this helps! Enjoy!