Downgrade iPhone from iOS 11.2 to iOS 11.1.2 in 3uTools Pro Flash ModeDowngrade iPhon

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As you already know that 3uTools Easy Flash is very convenient for ordinary iOS users to upgrade or downgrade their iDevices. But today we’re going to show you how to downgrade iPhone from iOS 11.2 to iOS 11.1.2 in 3uTools Pro Flash mode.

If you intend to jailbreak your iOS devices in the future, you’re suggested to downgrade your devices to a lower iOS version, just follow the steps below.

Warning:
Before we start, you’re suggested to customized back up your iOS devices. Ensure that your important data won’t get lost after downgrading.

Download iOS 11.1.2 firmware
* Set your iPhone into DFU mode.



* Run 3uTools -> click Flash & JB -> select the device type you use -> find iOS 11.2.1 firmware -> click Download icon.



Step1: Connect your iPhone to PC using the USB cable. Run 3uTools, then your iPhone will be detected by 3uTools.



Step2: Click Flash & JB -> Pro Flash -> import Firmware. Choose the firmware you already downloaded and click Flash.






View the full tutorial here: Downgrade iPhone from iOS 11.2 to iOS 11.1.2 in 3uTools Pro Flash Mode

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Apple Stops Signing iOS 11.1.1, iOS 11.1.2 and tvOS 11.1, Making Downgrades Impossible