Root [Virgin Mobile] [MK5 4.3] All Things Knox Discussion

Discussion in 'Android Devices' started by peter counias, Nov 23, 2013.

  1. Darien153

    Darien153 Well-Known Member
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    The more I read about knox the more I kind of think about hating it. You can't downgrade or it be void forever AND nothing can ever fix it.

    All you wanted to know about KNOX Void Warranty 0x1
     

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  2. ron scubadiver

    ron scubadiver Well-Known Member
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    Clockworkmod Tether for non root works. For those not familiar with it the connection is over USB and requires a client app on the tethered PC or Mac.

    I don't see any of the settings mentioned in the article for disabling Knox on the 4.3 update for the S3.
     
  3. struckn

    struckn VIP Member
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    One of the Sprint threads on XDA had a user hard brick their phone trying to flash different bootloaders once they had accepted the upgrade to MK3 (Sprint baseband for this update, equivalent to MK5 for VM). As far as I can tell flashing ROM's is still something that can be done if you don't care about tripping Knox, but messing with bootloaders has very serious potential consequences; it seems that once you have MK5, no more possibility for MG2
    [STOCK] 4.3 and up Discussion Thread (NOT CM or AOSP) - Page 166 - xda-developers
     
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  4. ron scubadiver

    ron scubadiver Well-Known Member
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    Clockworkmod Tether works on my unrooted stock 4.3.
     
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  5. Darien153

    Darien153 Well-Known Member
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    Yes as knox is part of the bootloader. Any form of downgrade or change in bootloaders that is unauthorized by Samsung will change the setting from 0x0 to 0x1. Having that said, now that your warranty is void, you will no longer be able to downgrade or upgrade firmware and will have to stick with the firmware you have forever. Use complete caution.

    All you wanted to know about KNOX Void Warranty 0x1
     
  6. Darien153

    Darien153 Well-Known Member
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    Apparently it's for the AT&T S3 I think. It really screws us over. Sorry man I should have mentioned that. I feel like we are in a trap from Samsung. Never did they mention about Knox (or maybe it's just me).
     
  7. Darien153

    Darien153 Well-Known Member
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  8. TheBritton

    TheBritton Resident Galaxy Cat
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    It looks like both methods require root access which Knox is preventing for some. I have successfully removed Knox with Titanium but only after finally getting SuperSU to work.

    Now that I'm more awake I will go over what I believe will make that happen.

    Flash SuperSU with a custom recovery. This puts superuser.apk in the system/app folder. Once you boot up the first time and you try to open a root only app you will get the security alert saying SuperSU has been blocked and you will also notice that is missing from the app drawer. What I did was navigate to system/app with Root Explorer and click on superuser.apk and install it. Then I saw SuperSU in the app drawer and was able to open it up. Do not open a root app just yet.. once in SuperSU click on settings and select "Reinstall: Cleanup for reinstallation from Google Play" and once that completes (it should reboot) reinstall SuperSU from Google Play and you should be good to go. Open Titanium Backup and see if it achieves root access. If it does, freeze the following apps before rebooting to get rid of the Knox security software:
    ContainerAgent.apk
    KLMSAgent.apk
    KnoxAttestationAgent.apk
    KNOXStub.apk
    Those are the steps that I took and it worked for me. Good luck!
     
  9. struckn

    struckn VIP Member
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    For what it is worth, if you open the .zip file and navigate to system/app, all the Knox-related .apk's are there and I presume one could remove them, repackage the .zip, then flash. I don't know what that would do in terms of the actual boot loader however, it is just a thought. There is also one Knox-related file in patch/system/app. I remove unwanted .apk's all the time when flashing custom ROM's so I would assume the procedure holds true here as well. Definitely not doing this "upgrade" that isn't even remotely a real upgrade myself, just thought I would throw this out there.
     
  10. ron scubadiver

    ron scubadiver Well-Known Member
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    After reading Britton's post, I have some thoughts. It appears that Knox can be temporarily disabled to get around it. He also flashed a custom recovery with Odin. I am wondering if that blew the e-fuse for sure and reverting to stock and future OTA's are no longer possible.
     
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  11. Darien153

    Darien153 Well-Known Member
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    Does this method trip up knox?? Or did you not care about warranty. Lol and what superuser did you use?
     
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  12. Darien153

    Darien153 Well-Known Member
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    The moment you root, knox will know. And the count should go to 0x1 . Maybe he doesn't care. Its just my issue is flashing firmware.
     
  13. peter counias

    peter counias Well-Known Member
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    Finally rebooted I think the key this is flash the zip to disable knox flash the super user zip you posted force stop knox a crew times an reinstall the super app from system thanks to TheBritton!! Thanks TheBritton for all his good work!!!
     
  14. Darien153

    Darien153 Well-Known Member
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    Where is the flashable zip and do I need a custom recovery?
     
  15. richking34

    richking34 Well-Known Member
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    Someone needs to make a thread with all the links and steps so its more organized
     
  16. TheBritton

    TheBritton Resident Galaxy Cat
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    It allows supersu to work so one can disable Knox with Titanium or other methods.
    The supersu is linked in my original post. Just click on it. I would link again but I'm on my phone.
     
  17. TheBritton

    TheBritton Resident Galaxy Cat
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    I agree. I'll do that once the steps are more certain.
     
  18. TheBritton

    TheBritton Resident Galaxy Cat
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    Possibly. I'm okay with stock I just need root access. I should be able to flash another rom though if it's based on 4.3

    That is a good question though and I wonder if I will be able to take another ota or flash another rom. I still am trying to learn more about this.
     
  19. Darien153

    Darien153 Well-Known Member
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    I know that you cannot flash any firmware lower than 4.3. You will not be able to update nor downgrade. I know you able to flash ota 4.3 or higher but idk about unofficial. Its just me but i woudnt want to test the limits right now. I will read and let you know.
     
  20. TheBritton

    TheBritton Resident Galaxy Cat
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    This is very insightful and answers questions about what you can and can't do when your Knox counter ox tripped.
    http://forum.xda-developers.com/showthread.php?t=2492022
     
  21. EricH4753

    EricH4753 Well-Known Member
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    Don't add the 15 hotspot plan just get https://play.google.com/store/apps/details?id=com.googlecode.android.wifi.tether&hl=en you don't have to pay if you have root access. I use it to play on xbox live. Your profile should be set for s4 and everything else is good to go
     
  22. SgtMacabre

    SgtMacabre Well-Known Member
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    That's exactly what im doing...just in the process of backing up everything then I flash that trimmed zip....using zarchiver to remove files from zip on the fly...will post back with results..
     
  23. Darien153

    Darien153 Well-Known Member
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    The sad thing is it doesn't matter off you remove it. You still will trigger the KNOX because knox is part of the boot loader. So either way the warranty will be void. Can't reset the counter. As far as I know and have read, it is impossible.
     
  24. TheBritton

    TheBritton Resident Galaxy Cat
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    Correct. Knox is heavily integrated and extends far beyond the apk's

    The benefit for removing the Knox apk's is to allow supersu to gain root access.. assuming you don't mind tripping the Knox flag (which I do not)
     
  25. TheBritton

    TheBritton Resident Galaxy Cat
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    :D Well found out the $15 plan isn't available for the S3
    I haven't been able to get that app to work since updating but I'll keep trying.
     

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