Blackra1n

Posts Tagged ‘Downgrade’

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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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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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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For iPhone 3G users who accidentally updated to OS 3.1.3 and have lost the release of the phone .

The user has iPhone 3G Baseband 05.12.01 can downgrade to 05.11.07 with tools through Cydia called FuzzyBand.

Unfortunately this tool only works with iPhone 3G which goes back to the old boot last year.

There are still awaiting news.

Few days ago I wrote a guide how to troubleshoot error 1015 when you downgrade the firmware for both iPhone and iPod Touch.

The guide was only for Windows. After many requests I wrote the guide for Mac OSX.

• iRecovery for MAC OSX Download
• Extract the archive and run the terminal iRecovery
• Then type the following string given sent to each

online:

cd desktop

./iRecovery -s

setenv auto-boot true

saveenv

/exit

Final Step:

Reboot now your device by holding down the power button and the Home button. You will now run the downgrade from firmware 3.1.3 to firmware 3.1.2 and you can follow the usual guides to jailbreak firmware 3.1.2.

A few days ago I made a guide on how to troubleshoot error 1015 when you downgrade the firmware for both iPhone iPod Touch.

The guide was only for Windows. After many requests I wrote the guide for Mac OSX.

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Definitive guide to downgrade your iPhone and iPod Touch from firmware 3.1.3 to 3.1.2

The firmware you are looking for is available in download page

Downgrade 3.1.3 Firmware To 3.1.2 iPhone And iPod Touch from blackra1n on Vimeo.