You might have an iOS device with a broken home button and need to jailbreak your device, however nonetheless? For this, we should recognize that within the DFU mode, which is a pre-requisite for the jailbreak, will make this possible and Redsn0w 0.9.14b2 is the way to go! Any further, any phase faulty iOS device will also be downgraded with DFU mode set.
With redsn0w 0.9.14b2 you created a special firmware file that needs to be restored in iTunes. After restoring the IOS device is then automatically in DFU mode.
In this tutorial I explain the creation and restoration of a firmware with DFU redsn0w 0.9.14b2.
Step 2: Open the recently downloaded redsn0w and navigate to Tools > even more .
Step 3: Click on the button DFU IPSW . The following is a Note:
Step 4: Once you see the message with OK have confirmed, a window opens. Here you select the newest, currently signed firmware (IPSW) from your IOS device. If this is an iPhone 3GS iOS 5.1.1 currently, because there is no newer firmware (not beta firmwares are).
The appropriate firmware for your IOS device, you can also from our download page.
Step 5: Now redsn0w begins with the creation of special firmware that will enable your IOS device after restoring with iTunes in DFU mode.
The created firmware is stored in the same location as the original firmware and carries the prefix ENTER_DFU .If the original firmware that is at an iPhone 3G iPhone2, 1_5.1.1_9B206_Restore.ipsw means has created the name redsn0w firmware ENTER_DFU_iPhone, 1_5.1.1_9B206_Restore.ipsw .
Step 6: Connect your IOS device to your PC or Mac and open iTunes. Click while holding down the SHIFT key (Windows) or hold down the ALT – key (Mac) Restore and select the correct firmware from essential (ENTER_DFU_ above!).
After the restoration is complete, the screen of your IOS device will be black. This is an indicator of the DFU mode. You have entered the DFU mode successfully firmware via recovery. You can now jailbreak your IOS device as if it requires a DFU mode.