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Thread: Jailbreak for iOS 12 (unc0ver) is here! Read immediately for more info!

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    Owner Dan Druff's Avatar
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    Jailbreak for iOS 12 (unc0ver) is here! Read immediately for more info!

    The unc0ver jailbreak tool for iOS 12 was just released.

    This has been long awaited. Many iOS 12 jailbreaks were theorized and worked on, but none made it to the public with full Cydia support until a few days ago.

    unc0ver supports iOS 12 up to 12.1.2.

    At the time of this writing, it only supports devices up to the iPhone X, including 5S, 6, 6 Plus, 6S, 7, 7 Plus, 8, and X. It does NOT support iPhone XS, XS Max, XR, or 2018 iPad Pros. However, support for these devices is supposedly coming soon. It will never support iPhone 5 and below.

    The creator of unc0ver (pwn20wnd on Twitter) has stated that he is working on supporting iPhone XS/XS Max/XR.

    What if you have iOS 12.1.3 or later?

    For a brief time, you can still downgrade to 12.1.1 beta 3. I will give instructions for that in my next post.

    What if you're on iOS 11 or lower? Read the next post, as well.

    Preparation: Get rid of any auto-downloaded iOS update your phone may have grabbed without your knowledge. If you don't do this, it might screw everything up. Go to Settings -> General -> iPhone Storage, and go through the list of items. Find anything like "iOS 12.1.4" or whatever (it should have the Settings gear icon), and delete it. Should be something like 2.4GB. If it's not there, no problem.

    Assuming you have iOS 12.0 through 12.1.2, and the proper device, follow the instructions at this link to install the jailbreak: https://www.redmondpie.com/jailbreak...-how-tutorial/

    However, DON'T download the "ipa" file from the above link. Instead, get the latest one from the repository of the guy who made it (scroll all the way down and get the highest version): https://github.com/pwn20wndstuff/Undecimus/releases

    That's it! You should have full access to Cydia, and the tweaks/packages you install should have iOS support soon enough, and many will work already.

  2. #2
    Owner Dan Druff's Avatar
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    *** AS OF MARCH 6, IGNORE THIS POST. DOWNGRADING TO 12.1.1 NO LONGER WORKS ***

    If you are not on iOS 12.0 through 12.1.2, please do the following immediately if you think you want to jailbreak your device. I say "immediately" because Apple will stop signing 12.1.1 beta 3 very soon, which will make this jailbreak impossible if you're not at the right iOS.

    First, here is my guide for updating your iOS for jailbreaking:

    If you have iOS 12.1.3 or higher, you need to downgrade to 12.1.1 beta 3 immediately, as that's the only way to get the unc0ver jailbreak to work.

    If you have iOS 12.0 through 12.1.2, congratulations. You have the right iOS for jailbreak, and should do nothing further. Stop reading this post.

    If you have iOS 11.0 through 11.4 Beta 3, you can use the old unc0ver to jailbreak your device. However, be it known that iOS will be obsolete soon, and your apps might stop working, so you might want to just bite the bullet and get 12.1.1 beta 3 while you still can.

    If you have iOS 10 or lower, you probably want to go to 12.1.1 beta 3 while you still can, as your iOS is very obsolete, and soon enough few apps will work anymore.

    Getting to iOS 12.1.1. beta 3 is a multi-step process.


    Step 1: IMPORTANT!! Make sure Apple is still "signing" iOS 12.1.1 beta 3!

    If they are not, then you can no longer get to 12.1.1 beta 3, and the rest of this post is useless. To find out if they're still signing, go here, and look for the chart for 12.1.1 beta 3. If they're not all "yes", then you're probably screwed. (If it's a mixture of "yes" and "no", you need to match your device to the one listed in the table.)



    Step 2: If it's still being signed, backup your phone and upgrade to the latest iOS

    Follow the normal processes through iTunes to do these two things.



    Step 3: Save your SHSH blob

    This step gives you a way to get your phone out of being bricked if Apple stops signing iOS 12.1.1 beta 3 in the middle of this whole process, which is not all that likely, but can happen.

    It's actually easy. Go here, and follow the instructions in the video below:





    Step 4: Download the IPSW for 12.1.1 beta 3

    Go here and find your device, and save the file to a location on your computer that you remember.



    Step 5: Perform the downgrade

    Follow the instructions in this link to downgrade the latest iOS to 12.1.1 beta 3.



    Step 6: Restore your iPhone through iTunes backup

    Do NOT let it upgrade your iOS, but otherwise restore normally.


    That's it! You should have 12.1.1 beta 3 now, and you'll be able to jailbreak using instructions in the above post.

  3. #3
    Owner Dan Druff's Avatar
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    BUMP

    Finally iPhone 5s/6 support available, starting today. Read first post above, which I have modified.

    iPhone XS/XR/XS Max support coming soon, hopefully.

  4. #4
    Owner Dan Druff's Avatar
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    This jailbreak isn't very stable yet. I would advise waiting.

    If you are having trouble jailbreaking, do this:

    1) Open unc0ver and go to the settings page

    2) Turn «Load Tweaks» off and then jailbreak as you usually would

    3) Go to Cydia & Download iCleaner Pro if you don’t already have it (Repo: http://ib-soft.net/cydia/)

    4) Open the app and click the + sign in the bottom left corner -- ignore all warnings about iOS 12 not being supported

    5) Click «Cydia Substrate Addons»

    6) Click «All» in the top right corner to disable all your tweaks and then click «Apply» to respring

    7) Go back into unc0ver and turn «Load Tweaks» back on, then Re-Jailbreak

    8) Open iCleaner Pro again and re-enable your tweaks (Cydia Substrate Addons, then «All» and «Apply»)

    9) Respring when iCleaner Pro prompts you

    ----

    Also note you have to run unc0ver after every reboot. If you have trouble doing this, turn off ALL options (go to settings at the bottom of unc0ver), go into airplane mode, re-jaibreak, and follow from #3 above.

  5. #5
    Owner Dan Druff's Avatar
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    I wasted a shitoad of time yesterday battling with awful Beta version 40..

    ... only for Beta 41 to drop about an hour ago which is better, but still has issues.

    Sigh.

  6. #6
    Owner Dan Druff's Avatar
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    iOS 12.1.1 beta 3 was unsigned by Apple today.

    You can no longer downgrade/upgrade to it.

    If your iOS is 12.1.3 or higher, you're fucked and can't use this jailbreak.

  7. #7
    Owner Dan Druff's Avatar
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    Cydia Impactor having issues for some people now.

    If you are getting the "Failed to verify code signature .... invalid entitlements" error:



    .... then do this:

    Visit jailbreaks.fun on your phone in Safari

    In the bottom right corner, hit the search button

    Search for "unc0ver -new beta"

    Hit Get

    Go to Settings -> General -> Device Managment and "trust" the author of this app.

    Open the app once it's installed

    Turn off "Reload System Daemons" and turn on "Reinstall Cydia"

    Jailbreak (may take more than one attempt)

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