Home » JailbreakiPhone4S » iOS 5.1.1 custom firmware and unlock for iPhone 4 and iPhone 3G with redsn0w and 0.9.11b4 Ultrasn0w Fixer
iOS 5.1.1 custom firmware and unlock for iPhone 4 and iPhone 3G with redsn0w and 0.9.11b4 Ultrasn0w Fixer
by Zahiruddin KH
Be provided after the installation of the created custom firmware your device has, of course, with a jailbreak. Currently, a tethered jailbreak using redsn0w be performed. The corresponding instructions can be viewed via the link below.
Important Information:Basically you have to guarantee that the old baseband version is retained when you update to iOS 5.1.1, then, continue to apply to the particular unlock method. This of course applies to all Gevey users, but also for the numerous UltraSn0w users. Therefore you must never perform an update via iTunes, because otherwise the updated baseband version and can not subsequently be screwed down.
Guide to a custom firmware with RedSn0w (Mac or Windows) to create:
Download iOS 5.1.1:
Download redsn0w 0.9.11b4 for Windows and Mac OS X:
Step 1:Invites you to top-Linked redsn0w version and the corresponding iOS 5.0.1 firmware.
Step 2:Opens RedSn0w 0.9.11b4 and click on "Tools" -> "Custom IPSW". Then select the previously downloaded from iOS 5.1.1 firmware.
Step 3:Then the corresponding custom firmware is created. Then you will be returned to the "Tools" menu of redsn0w and "Pwned DFU" button.
Step 4:Bring your device in DFU mode and this will automatically RedSn0w your device into DFU Pwned clock mode.
Step 5:Closes RedSn0w opens iTunes and your iPhone is detected in maintenance mode.
Step 6:Then you have the Alt key (Windows) or Shift-click (Mac) and clicking on Restore. After you choose the custom firmware created in step 3 from.
Step 7:At the end you will see on your iPhone and your iOS 5.1.1 baseband version has not changed. This will allow you to free your iPhone with UltraSn0w Fixer patch or with the help of the Gevey SIM card from a SIM lock.
Important Information:It is not just jailbreak and you keep your baseband version for later unlock. The jailbreak must then be explicitly performed with redsn0w. You can provide appropriate guidance on this link find.
Instructions for unlocking the Ultrasn0w Fixer patch:
Step 1:After the custom firmware and the associated jailbreak was installed on the device, Cydia will be opened. Then click on the "Manage" button and open the "Sources". Tap on the "Edit" button and then click on the "Add" button.
Step 2:The following URL "http://repo.iparelhos.com" must be entered and added afterwards.
Step 3:After adding, click on the repository and the package "Snow Ultra-fixer," and then select install.
Step 4:Be installed after the installation of the "Ultrasn0w fixer" must "Ultrasn0w 1.2.5" from the iPhone Dev-Team. This requires the source "http://repo666.ultrasn0w.com" be added. After that you can either search for "Ultrasn0w" or view the source of the tap all packages.
Step 7:Now carry only a reboot and the unlock work on 5.1.1 IOS with old baseband should.
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