The right way to Downgrade iPhone 4s and iPad 2 on iOS 5.1.1 / 5.1 to iOS with Redsn0w zero.9.11b1


Just a few hours in the past, the brand new version of redsn0w 0.9.11b1 from the iPhone Dev-Team published, enabling the downgrade functionality for the iPhone 4S, the new iPad, and iPad 2 With the appropriate SHSH blobs that were backed up in advance while on  iOS 5.0.1. It will allow iPhone 4S and the iPad 2 owners to downgrade to iOS 5.0.1. Then to be able to Untethered Jailbreak with ease  and the waiting time can be shortened to the new jailbreak iOS 5.1.1.

downgrade (2)

Important information for Unlocker:

devices that rely on an unlock should avoid this method and use it on any account.During this procedure is always the baseband updated to the latest version and can not thereafter be exempt from the Ultrasn0w or Gevey SIM SIM lock.It therefore suggests MuscleNerd the new version of redsn0w only be used for a downgrade.

SHSH blobs are absolutely necessary for the downgrade:
As mentioned earlier, the SHSH blobs once iOS 5.0.1 already be saved with the help of TinyUmbrella, redsn0w or Cydia.This process can be carried out in advance and devices that have shipped with IOS 5.1, have unfortunately not able to perform a downgrade.If at that time already been used in a jailbreak iOS 5.0.1, chances are good that Cydia has saved the SHSH blobs automatically.

Manual downgrade iOS 5.1.1 / iOS 5.1 to iOS 5.0.1 on iPhone and iPad 2 4S

Download redsn0w 0.9.11b1 for Windows and Mac OS X:

Download iOS 5.0.1 firmware for the device:

  • iPhone 4S
  • iPad 2 WiFi
  • iPad 2 GSM

Download iOS 5.1.1 firmware for the device:

  • iPhone 4S
  • iPad 2 WiFi
  • iPad 2 GSM

Step 1:
First you need the new version of redsn0w 0.9.11b1 download (download links can be found above).After you have each of the IOS 5.0.1 and 5.1.1 firmware download the IOS for your corresponding device of the above links.


Step 2:
Starts Starts Now redsn0w 0.9.11b1 and connects the device to your PC or Mac.

Step 3:
Click in redsn0w 0.9.11b1 on “Tools”, then “even more” and to “Identify”.

Then you have to put your device in DFU mode, but clicking on “Next” and follow the instructions:

You must bring your device now in DFU mode.For this press the “Power” button on your device for 3 seconds.Then you have to be the “Home” and “Power” button press for 10 seconds.After that you can have known the “Power” button and wait until redsn0w release the device in DFU mode.

Step 4:
Click on to go “back” to return to the “Even More” menu.Then you have to “restore” and then click on “IPSW”.There, you have to first select the appropriate iOS 5.0.1 firmware.Then you will be prompted to select the iOS 5.1.1 firmware.When done, the two buttons “Local” and “Remote” also selected.




Step 5:
Now you have the option of selecting either by clicking on “Local”, the stored SHSH blobs (using TinyUmbrella) on your computer or on the button “remote”, the SHSH blobs called Cydia.Once you have selected one of two options, the downgrade process will start automatically and you can sit back.The process can take several minutes and then your device should be located on iOS 5.0.1.




Step 6:
When the downgrade has been completed successfully, a guide is  provided for  your specific iOS 5.0.1 device to Untethered Jailbreak.


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