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General Samsung Knox

Discussion in 'Android Devices' started by zubairkhan, Dec 23, 2013.

  1. zubairkhan

    zubairkhan Lurker
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    Hi

    I am not able to use my Samsung Galaxy S4 I9500 I had bought 6 months back.

    I am getting 3 errors:

    1) an application has been forced to stop for an unauthorized attempt to access system in your device.

    2) Network will be unavailable until you insert a valid sim card
    3) No SIM

    When I click the notification of error it takes me to Samsung Knox Notification Manager.

    As I understood for many trials & errors, The problem is Knox

    I have tried following to resolve the issue.

    1) Factory Reset
    2) Went to Samsung Authorized Service Centre, They Flashed it but it didn't work
    3) inserted multiple Sim cads
    4) Installed 'Root Explorer' & deleted all knox files: It says 'Delete Failed'
    5) Used 'Terminal Emulator' & did this: su pm disable com.sec.knox.seandroid

    It said couldn't find 'su'
    6) Tried using 'Titanium Backup' : it said ' you don't have root access

    Please some one help me, as i'm not able to use my phone since last 3 weeks.
     

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  2. ironass

    ironass Android Expert
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    Hello and welcome to Android Forums zubairkhan! :)

    Was your International, octa core, GT-i9500 rooted when you updated to Android 4.3 as per #1.2 of Knox Security & locked bootloader on new firmwares?

    If so, you may need to Factory Data Reset and download and flash the stock Samsung firmware for your handset's CSC code via Odin. This is explained in #1.5 of 18 Galaxy S4 models - know yours?.
     
  3. zubairkhan

    zubairkhan Lurker
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    Hi ironass :D

    No I have not rooted my phone.
    It is still new & under warranty.
     
  4. ironass

    ironass Android Expert
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    That explains why those rooting apps won't work on your phone then, like Titanium Backup, etc:

    You can either to a Samsung Service point and ask them to re-flash the stock firmware for you or you can do it yourself, as mentioned in my previous post.
     
  5. Funderbolt

    Funderbolt Well-Known Member
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    Seems there are so many complaints about this Knox software, probably best to shut it off.
     
  6. ironass

    ironass Android Expert
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    Knox Security is a separate, downloadable, app from the Play Store. I believe the OP is referring to the prerequisites for Knox that come with Android 4.3, as described in #1.0 of Knox Security & locked bootloader on new firmwares, which cannot be simply, "shut off".
     

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