How to downgrade your iPhone from iOS 9.1 to iOS 9.0.2

A couple of days ago Apple released iOS 9.1 which comes with new emjois and bugs fixes. The bad news is iOS 9.1 kills Pangu Jailbreak; patches two vulnerabilities. So in case you have updated your iPhone/iPad or iPod to iOS 9.1 and wish to go back to a previous firmware file, then the great news is you still can do it.

Note: before you begin, check to see if Apple is still signing iOS 9.0.2. You can do so If Apple is no longer signing iOS 9.0.2, then you will not be able to downgrade.

Step 1: Backup your iPhone vis iTunes or iCloud.

Step 2: Download the iOS 9.0.2 firmware for your device.

Step 3: Connect your device to your Mac or PC running iTunes.

Step 4: On the summary page for your device, click the Check for Update button while holding the Option Key (Shift for Windows).

Step 5: Select the 9.0.2 firmware file that you downloaded in Step 2 and click the Update button

iTunes will then “update” your device, which is really just a downgrade back to iOS 9.0.2.

What if you are running an older version of iOS that predates iOS 9.0.2? You can upgrade directly to iOS 9.0.2 using this same method. Again, the common thread is that Apple must be signing iOS 9.0.2 for this to work. Once the signing window is closed, you’ll be forced to the latest signed firmware. At the moment, the latest signed firmware is iOS 9.1.
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