How to Jailbreak & Unlock Your Iphone 3G | 3GS 5.14.02 With UltraSn0w 1.2

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Here's a video walkthrough on jailbreaking and unlocking your Iphone 3G / 3GS on various basebands, 5.12.01, 5.13.04, 5.14.02. The story is that your Iphone's only jailbreakable on the 6.15.00 baseband (from the IPad) at the moment, I'll be showing you how to bump up your Iphone to the 6.15.00 so that we can jailbreak it with the Ultrasn0w 1.2.

You'll need to download some files....
1) Apple 4.2.1 IPSW file. (http://appldnld.apple.com/iPhone4/061-9895.20101122.Cdew2/iPhone2,1_4.2.1_8C148a_Restore.ipsw)

2) Redsnow 0.9.6b5,
Mac (http://rapidshare.com/files/433785868/redsn0w_mac_0.9.6b5.zip) or Windows (http://rapidshare.com/files/433785855/redsn0w_win_0.9.6b5.zip).

3) iTunes 10.1 for Windows or Mac (http://www.apple.com/itunes/download/)