Knox is Samsung security system that was first feature with the official Android 4.3 update to the Samsung Galaxy handsets. These days however, it is feature that most users would prefer to not have on their Galaxy devices. Fortunately for Galaxy S6 and the Galaxy S6 Edge handsets, Knox is by default disabled whereas some older version devices, still have it installed and enabled. This can be undone in a few steps:

What is Knox?

Knox was first launched by Samsung in September 2013. The security system was developed to offer devices complete protection while making it easier for users to use the devices in both work and private use in Bring Your Own Device (BYOD) areas.

BYOD provides essential tools for the elimination of risks that may lead to sensitive data leaking as well fight espionage. It was primarily shipped with the Galaxy Note 3 and Samsung’s Galaxy Note 10.1 2014 edition, and was later added to other Samsung devices after the Android 4.3 update.

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What is the issue surrounding Knox?

Applications not recognized by Knox have restricted access to the saved data. Though for most people this may not seem like an issue, some would differ, most especially developers such Chainfire, who were responsible for the SuperSU and the well-known TriangleAway application purposed with the reset of your device’s flash counter to zero.

Knox security system hinders access to a number of apps once your device is rooted along as bring rise to complications with your warranty due to the fact that modifying your phone trips the flash counter and thus making a reset difficult.

Knox applies a technology for auto-configuring known as the eFUSE to check if a user alters their device. Samsung uses the Knox records to reject or accept user request for support within the warranty period.

How to Deactivate Knox

Disabling Knox using the following methods will give you the permission to take the advantage of RootChecker and SuperSU applications.

Unfortunately, you cannot reset the flash counter to zero as the official Android 4.3 update include a set bit warranty that prohibits you from performing bootloader downgrade.

The method on Samsung support page is applicable for Android 4.3 powered devices, like the Galaxy S3:

  • Launch the Knox app on your Galaxy device, and tap its Settings.
  • Select Knox Settings.
  • Choose Uninstall Knox.
  • During the Knox uninstalling process, you’ll be given the option to back up the data on your Knox app. If you opt to back it up, then the data will be stored on the Knox folder in your files.

All your personal data including music files, calendar events, contacts and photos will be copied in the de-installation process. On the hand, emails and the data on your applications are not copied.

  • Type in your Knox password and tap Continue.
  • Select Next. All the data on your device will be backed up by the end of the uninstallation process.
  • Tap OK to uninstall Knox.

To access the personal files stored up, hit Menu, choose My Files then tap All then scroll to the Knox folder. If you are using an SD card, choose All then tap Storage Device to select Knox.

For rooted Galaxy devices, you could alternatively try the following steps to uninstall Knox:

  • Have the Root Explorer application installed.
  • Launch the Root Explorer and in the search tab, enter Knox.
  • Choose all the files tagged Knox.
  • Remove the files and then reboot your Galaxy device.

If the above options don’t work for you, then you can delete Knox via recovery by applying a file from the XDA Developers.

  • Conduct a full backup of all your device’s data.
  • Flash the KNOX removerV2.1.zip from XDA Developers.
  • Delete all the files with the name Knox.
  • Restart your Samsung device.

What do you think of the Knox security system? Share your thoughts in the comments

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Using Samsung's model/serial number location tool

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