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Discuss Tethered boot on linux via irecovery? at the AppleTV 2 (iOS based) - Hackint0sh.org; Hi @all, i am trying to find a way to tetherboot my atv2 by using ...
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    Question Tethered boot on linux via irecovery?

    Hi @all,

    i am trying to find a way to tetherboot my atv2 by using linux cmd tools. I used seasonpass
    to build and flash the ipsw and also extracted the files used by seasonpass to do a tethered boot:

    • iBEC.k66ap.RELEASE.dfu
    • iBSS.k66ap.RELEASE.dfu
    • kernelcache.release.k66


    I found irecovery for linux on github (https://github.com/Chronic-Dev/libirecovery) which
    compiles just fine, but is kinda "outdated" as last change was 5 months ago. I know there are
    some forks of this, but nothing "up to date", so i don't even know if i can use irecovery to do this.

    If i understand it correctly, i also need a proper iboot payload for ios5 (i guess limera1n bootrom
    exploit, but where can i get it?), and of course i need to know how to use irecovery to do the
    tethered boot. I googled alot and there seems to be little to no info how to do this...

    Would be really nice, if someone could help me out here and thnx in advance :-)



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    Ok, just an update what i learned so far. limera1n bootrom exploit seems to work with all! iDevices (of course only a4).
    I also found "syringe" on github (https://github.com/Chronic-Dev/syringe), which includes the limera1n payload, and some
    nice utilities. One of them is "tetheretboot" which seems to be exactly what i was searching for.

    You need an arm toolchain to compile it (no clue why), so you can use gnuarm or just use a precompiled :-) one, like this:
    http://www.mikrocontroller.net/downl...inux-2.tar.bz2

    It compiled just fine, and i can't wait to get home to actually test this:

    Code:
    tetheredboot -i iBSS.k66ap.RELEASE.dfu -k kernelcache.release.k66

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    Just a little update. It doesn't work with "chronic devs" syringe as it is to old (e.g. misses the iBEC upload possibility), but there is a fork from "msftguy" (https://github.com/msftguy/syringe) which is quite "up to date". Compiled it and tried it like this:

    Code:
    tetheredboot -i iBSS.k66ap.RELEASE.dfu  -b iBEC.k66ap.RELEASE.dfu  -k kernelcache.release.k66
    It doesn't work :-( because it can't reconnect after uploading the iBSS file.

    So i decided to dive into seasononpass's sourcecode (https://github.com/firecore/Seas0nPa...tAppDelegate.m, method tetheredBootNew) and compared it with tetheredboot. Its quite the same!

    I also noticed that with seasonpass the atv2 changes the blinking frequency, short after the iBSS upload.
    Therefore, i guess the problem is the usb communication, as there is little to no difference in source code.

    So the search continues...

 

 

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