The new version of RedSn0w that can downgrade the 4S and 2/3 for those with saved SHSH blobs.Downgrading will allow you to perform an on your , or 2 running 5.0.1 firmware. Here is the tutorial teach you how to do that step by step.Dev-Team has released a
Note: Again, you must have your SHSH blobs for.0.1 either stored locally by means of TinyUmbrella, etc., or must have your 5.0.1 blobs for this downgrade to work successfully.
Check out the tutorial for the step-by-step downgrade instructions from iDB:
Step 1: Download the latest version of from our downloads page.0.9.11b1
Step 2: Download the latest firmware (5.1.1) for your device from our downloads page, along with the 5.0.1 firmware.
Step 3: Place your device into DFU mode.
Step 4: Run0.9.11b1, and make sure RedSn0w detects your device in DFU mode. Navigate to Extras > Even more > Restore and click IPSW under the IPSW section. RedSn0w will then ask you for your IPSW. Once you locate iOS 5.0.1, RedSn0w will ask your for the latest firmware ( .1).
Step 5: Once both firmwares have been validated, it’s time to locate your saved SHSH blobs. If you’ve jailbroken your device before, you should have those available on Cydia, and therefore you can use the Remote option. If you’ve never jailbroken your device before, but you saved your SHSH blobs with a tool like TinyUmbrella, then choose Local and browse your computer for your blobs. We’d recommend clicking the Remote option first.
Step 6: Once your blobs have been verified, there is nothing left for you to do, just let RedSn0w execute the full process. First RedSn0w will install a hacked version of the latest firmware (.1), and then it will downgrade your firmware to iOS 5.0.1.
Step 7: Upon downgrading successfully you will be presented with a success message. Now all you have to do is setup your device, and verify that you are now on iOS 5.0.1 via Settings > General > About on your device.
Most people will want to jailbreak their newly downgraded device. If you’re using an A5 device like the a tool like Absintheto jailbreak as well., or , you can now jailbreak using Corona-A5. You can do this directly from RedSn0w. We will have a tutorial that shows you how to jailbreak your A5 device using RedSn0w in the near future. Until then, you can always use
All credit: iDB
Were you able to downgrade successfully? Have any tips or tricks? Please share them below!