Archive for the ‘Downgrade’ Category

How to downgrade iPad 2 3G (GSM / CDMA) from 5.0.1 / 5.0 / 4.3.5 to 4.3.3 for untethered jailbreak ? Well, Notcom, the talented and well-known iPhone developers has just created a new tool called TinyCFW that helps iPad 2 3G (GSM / CDMA) and iPhone 4 users to downgrade their devices to iOS 4.3.3 for untethered jailbreak.

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Many users have upgrading their iOS devices to iOS 4.3.5 without saving 4.3.3 shsh files and others saved 4.3.3 shsh files but failed to follow the guide as they may faced some errors such as 3194, 1600, 1602, 1013, 1015, 1020 or 1611.Anyway we have good news for you, one of our reader was successfully able to downgrade his iPhone from 4.3.5 to 4.3.3 without shsh blobs files.
Downgrade 4.3.5/4.3.4 to 4.3.3 - iPhone 4, 3GS, iPod Touch 4G, 3G, iPad 2 & iPad :

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Well we’ve found a way to help bring your iphone back!

Now that we’re all squared away, you’ll need to download the following items before you can proceed.

The IPSW of your choice, I would recommend 4.3.3 as it is jailbreakable and still being signed by apple. I can’t think of any logical reason why you would want to roll back any further… Just make sure that you have your SHSH stored with Cydia if you choose to go older than 4.3.3.

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The following method will help to downgrade  baseband 4.10.01 to 02.10.04 of the iPhone 4 and iPhone 3Gs , which is unlockable via Ultrasn0w. This method will also allow the device to restore the original firmware with iTunes official, who was not otherwise possible in iPad with baseband 4.10.01.

This method currently works with iPhone 4 and iPhone 3Gs . The procedure is simple enough, but we do not recommend new users to try this procedure. We also recommend that you backup your idevice before following the procedure. Proceed only at your own risk.

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If you accidentally updated your iPhone 4 to 4.2.1 and lost your unlock,  there is now a way to downgrade iPhone baseband 03.10.01 to 01.59.00 in a few simple steps thanks to Assistant Downgrade (AssistantBDowngrade), an application available through Cydia.

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In this guide you’ll learn how to downgrade iOS 4.2 to iOS 4.1 / 4.0.1 on iPhone 4, 3GS, 3G and iPod Touch 4G, 3G, 2G. Follow the steps below to downgrade iOS 4.2 to 4.0.1/4.0 firmware on iPhone and iPod Touch.

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There is one prerequisite to downgrade your iPhone 4.1 . You must have your SHSH blobs saved on Saurik’s servers. If you don’t have your SHSH blobs backed up, then you’re stuck at iOS 4.1 . There is absolutely nothing you can do.

Downgrade iPhone iOS 4.1
Again, this method will help you downgrade your iPhone from iOS 4.1 to any earlier iOS. This will work for the iPhone 4, iPhone 3GS, and iPhone 3G.

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Apple has recently released iOS 4.2 Beta for iPhone 4, iPhone 3GS, iPhone 3G and iPod Touch 2G and 3G and iPad only for developers. You might want to downgrade from iOS 4.2 to iOS 4.1 / iOS 4.0.1 /iOS 4.0.2 firmware due to any problems occurring or you cannot still jailbreak iOS 4.2. Below is a simple step by step guide for both windows and Mac users to downgrade to iOS 4.1 or iOS 4.0.1 or iOS 4.0.2 from iOS 4.2.

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iOS 4.2 has been released for developers. Just like iOS 4.1 and iOS 4.0.2, the new iOS 4.2 at the moment is not jailbreakable. It also contains new baseband for all iOS devices which currently makes it impossible to unlock using existing version of unlocker. So if you rely on a jailbreak and unlock, stay away from this new firmware until new jailbreak and unlock tools are available for download.

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Error 1015 firmware downgrade iPhone and iPod Touch

From the Apple support site:

Error 1015: This error is caused by the attempt to downgrade the firware of the iPhone or iPod touch. This may occur when you try to restore an old file. Ipsw. The downgrade to a previous version is not supported. To resolve this problem, groped to restore the latest iPhone or iPod touch available from Apple.

If you want to resolve the error 1015 follow this Tutorial:

Proceed as follows:

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