How To Jailbreak IOS 12.1.4 ? Downgrade IOS 12.1.1 With 3Utools

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How To Jailbreak IOS 12.1.4 ? Downgrade IOS 12.1.1 With 3Utools


Important note
Please make sure you have deleted the OTA file (file containing the operating system version) in Settings - General settings - iPhone / iPad capacity (Settings - Generall - iPhone Storage) and then restart the device before you jailbreak to prevent bootloop (start loop).
This jailbreak version includes Cydia and official Substrate support for iOS 12 on the compatible devices listed above. This means Cydia and tweaks will be fully functional.
Some sources may not work with Cydia / APT due to Apple's code error on iOS 12.
To prevent future OTA updates for iOS 12 from being downloaded on your device, you can configure tvOS 12.
If you have previously jailbroken with rootlessJB, you should unload this tool before using unc0ver to avoid future errors.

How to fix some jailbreak errors
- Stuck in step "27/38" and the device restarts automatically but does not have Cydia: Restart your device manually and try to jailbreak again.

- Show error message "Error (Fatal)": If during the jailbreak you encounter this message, please:

Click OK to close the error message.
Switch to the Settings tab and turn on the Restore RootFS option (rec0ver).
Go back to the first tab and press the Jailbreak button.

- Cydia is crashed: If after jailbreak you open Cydia you get out, please:

Turn on airplane mode.
Open the unc0ver application.
Switch to the Settings tab and turn off the Reload system Daemons option.

- Can not connect to the App Store: If after jailbreaking but you do not access the App Store, please restart the computer, then proceed to jailbreak again.

If during the jailbreak process or after the jailbreak you encounter any errors you have not listed above, please leave a comment describing the error below to help me.

Supported devices

Iphone
iPhone 6s
iPhone 6s Plus
iPhone 7
iPhone 7 Plus
iPhone SE
iPhone 8
iPhone 8 Plus
iPhone X
iPad
iPad Air 2
iPad 5th generation (2017)
iPad 6th generation (2018)
iPad Pro 9.7-inch
iPad Pro 10.5-inch
The first and second generation 12.9-inch iPad Pro
iPod
6th generation iPod touch
Devices using A12 chips like iPhone XS, XS Max and XR will be supported later.

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