If you are wondering if at all you could use latest iOS version on iPhone 3G, you should know that it is possible to jailbreak iPhone 3G 5.1. Apple doesn’t provide support for older devices with the new iOS versions. It is a technique followed by the company to promote new iOS devices. The iOS 5 and later versions are developed exclusively for iPhone 3GS, 4 and 4S, but if you have an iPhone 3G, you can jailbreak iPhone 3G on the latest iOS version. You can’t possible get extended functionality like SIRI on 3G, but you can download and use latest apps and games developed for iOS 5.1.
Jailbreak iPhone 3G 5.1 – Why Is It Necessary To Preserve Baseband?
Using iPhone 3G with carrier contract is one thing, but if you want complete freedom, you should think about unlock iPhone 3GS on 5.1 to use it with any network carrier. In that case, you should always upgrade iOS version by preserving baseband. Otherwise, free unlock iPhone 3G software like Ultrasn0w can’t be used for unlocking the device. The iOS 5.1 doesn’t come with unlockable baseband and so, preserving your baseband is more important than ever if you wish to continue to use unlocking software. Even if you are not interested in unlocking now, it is a good idea to preserve baseband so that your iPhone can be unlocked later. Jailbroken and unlocked iPhone 3G has a better resale value and there is no reason not to take advantage of it.
If you have accidentally upgraded your iPhone 3G to 5.1, you need not lose all your hope with free Ultrasn0w unlock. It is still possible to how to unlock iPhone 3G 5.1 by upgrading to iPad baseband 06.15.00. This will allow you to use Ultrasn0w unlock which is free. Using iPad baseband on iPhone has its consequences and you may lose some of the features. However, it is the price you have to pay if you don’t want to use trusted and commercial unlock and jailbreak iPhone 3G solution.
Jailbreak iPhone 3G 5.1 using Redsn0w and preserve baseband
Apple keeps pushing iOS updates to prevent jailbreaking and already, 5.1 is released. Jailbreakers and unlockers should not hurry to upgrade their iOS version because sometimes untethered jailbreak for newer iOS versions proves to be difficult. However, you can jailbreak iPhone 3G using Redsn0w 0.9.9b9d, released by iPhone Dev Team. Using this version of Redsn0w, you can jailbreak iPhone 3G 5.1 and preserve baseband for unlock.
- Step 1: Download Redsn0w 0.9.9b9b for Windows or Mac depending on the OS you use. Both the versions have the same functionality and so, it doesn’t make a difference which one you use.
- Step 2: Download iOS 5.1 firmware file. It is noted by many users that downloading stock firmware using Internet Explorer results in a zip file that can’t be used later. So, use Firefox or Chrome browser to download stock firmware.
- Step 3: Extract Redsn0w archive.
- Step 4: Connect your iPhone to your computer and launch iTunes if it doesn’t open automatically.
- Step 5: Launch Redsn0w now.
- Step 6: Now, you will be building custom firmware file. So, click on Extras and select Custom IPSW button.
- Step 7: Go to Redsn0w folder now and select iOS 5.1 firmware file in the folder.
- Step 8: Redsn0w will work on creating the custom iOS 5.1 firmware for your device.
- Step 9: Once cooking firmware is complete, put your iPhone in DFU mode. Redsn0w should give you instructions to put your iPhone in DFU mode. Follow the instructions precisely to avoid recovery mode.
- Step 10: Redsn0w will now run the Limera1n exploit on its own to jailbreak your device. It will make your device enter Pwned DFU mode which will allow you to restore custom cooked iOS 5.1 firmware through iTunes.
- Step 11: Launch iTunes.
- Step 12: Hold down Shift (on Windows) or Option (on Mac) and click on Restore button in iTunes. If you don’t hold the appropriate buttons, iTunes will automatically restore using the latest available iOS version with Apple.
- Step 13: Now you have to select the ipsw firmware file and select the iOS firmware file in Redsn0w folder and not the one created in the previous steps.
- Step 14: Once done, rejailbreak using Redsn0w once again and this time, simply click on Jailbreak button.
- Step 15: Follow the instructions to put your iPhone in DFU mode and then now select the custom cooked ipsw firmware file in iTunes.
- Step 16: Reboot your iPhone using Redsn0w tethered boot utility to jailbreak iPhone 3G on iOS 5.1.
Risk free jailbreak iPhone 3G 5.1 is easy to use
There are too many complexities involved in the above mentioned free Redsn0w jailbreak because you need to correctly use the ipsw firmware file. This ambiguity can be avoided using risk free computer based software. After rigorous testing, we found this computer based software to jailbreak iPhone 3G 5.1 much easily and if you prefer, you can continue to unlock iPhone 3G using the same software.

Free jailbreak iPhone 4 4.2 is preferred by millions of iPhone users for obvious reasons. You don’t have to pay anything to use these free jailbreak tools and when something goes wrong, you can restore latest iOS version using iTunes. However, many users agree that free jailbreak iPhone 3G 4.2 is not for newbies who are not sure of what is happening during the jailbreak process. Even though it is not necessary to totally understand the jailbreak process, it makes sense to learn something about it before attempting free jailbreak and unlock iPhone 3G 4.2.
Jailbreaking became popular ever since the hackers made it available for free and if you haven’t experienced jailbreaking as yet, you should jailbreak iPhone 3G 4.2.1 right away. Over a million of apps in the App store are just not enough to truly expand the functionality of iPhone. Apple doesn’t want developers to access iOS kernels so as to provide better performing apps because the flaws of iOS operating system may become evident. The third party app developers are banished from App store, but they have found haven in the jailbreak app store Cydia. You need to learn
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