These are instructions on how to unlock the iPhone 3G and iPhone 3GS for use with any GSM cellphone carrier using UltraSn0w.

Before you can follow these instructions you must have a jailbroken iPhone and you must be on the 04.26.08 baseband (modem firmware). This means that you must be running the 3.0 firmware and have used PwnageTool or RedSn0w to jailbreak.
Read this post: How to Upgrade iPhone to 3.0 Firmware
Read this post: How to Jailbreak iPhone with 3.0 Firmware Using RedSn0w (Windows)

To find your firmware and modem firmware (baseband) versions you can follow this tutorial. If you are not on baseband version 04.26.08 then you need to follow one of these tutorials before unlocking: Mac, Windows

If you are on T-Mobile remember to turn off 3G before starting…

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written by Ryan Isra \\ tags: apple, iphone, Software, unlock

Jailbreaking is a process that allows iPhone and iPod Touch users to run unofficial code on their devices bypassing Apple’s official distribution mechanism, the App Store. Once jailbroken, iPhone users are able to download many applications previously unavailable through the App Store via unofficial installers such as Cydia and Icy. It’s estimated that 4 million (out of 40 million) iPods and iPhones are jailbroken. [1]

Jailbreaking is distinct from unlocking, which is the process by which a mobile device is made compatible with telephone networks it was not specifically licensed to be used with.

Here is step by step how to jailbreak iPhone with 3.0 Firmware using RednSn0w in Windows.

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written by Ryan Isra \\ tags: apple, firmware, iphone, Software

Before you read the following post, it’s recommended to read this post Fixing iTunes error message: The SIM card inserted in this iPhone does not appear to be supported instead.

If this problem persist after you updated iPhone firmware to 3.1.3, read this guide Jailbreak iPhone 3.1.3 firmware version using redsn0w 0.9.4

Updated it to iOS4? had this problem on iPhone 4?
You need to activate your iPhone using official SIM card or phonebook card, while most recent jailbreaking tools do not support hacktivation.

written by Ryan Isra \\ tags: apple, firmware, iphone, iTunes, Software