The are various instances of exploits bringing out the security vulnerabilities of Samsung’s flagship Galaxy devices. To arouse the trust of business class customers, Samsung also launched an ad campaign. However, it was with the launch of the Galaxy S4 that the company introduced a dedicated security service trademarked as Samsung KNOX.
Previously, the service was only available for people in enterprise and in government institutions. Later during IFA event in Berlin, Samsung showcased some new devices like the Note 3, Note 10.1 2014 Edition, Galaxy Gear and also revealed the commercial availability of a its Knox mobile security system that helps better protect device data against unauthorized use.
In this way, if you have Knox installed on your device which you use as a personal and as a workplace phone both, Knox lets you store enterprise applications (corporate email, contacts, calendar, etc.) securely using an Exchange ActiveSync Server. The service is capable of separating personal and work data and thus it makes it possible for both types of data to coexist on a Knox-enabled device. You just have to press an icon to switch from personal to business mode.
Here’s an official video that reveals what KNOX does:
Actually, Samsung came with KNOX when it realized that security-lovers and corporate class tended to abstain from its smartphones due to security vulnerabilities. By integrating KNOX in the TouchWiz UX, Samsung provided a second version of a smartphone as KNOX mode that is protected with password and restricts unauthorized access. KNOX mode includes apps like Camera, Gallery, Downloads, Email, S Planner, My files, Phone, Contacts and S Browser by default. Besides these, there are about 75 KNOX-apps that you can download additionally.
There’s no doubt that Samsung Knox service is really a good security solution for those who got a financial and business reason to protect their data, but there are still many others who might not like to have it on their device. If you are not a fan of the kind of security Knox provides and love to root your device and install custom ROMs on it without caring about the security warnings, we have come with some tips to disable Samsung Knox security shield on your device. Knox might also be responsible for FC (force close) error with some of your root perm apps, and so this is another sound reason to disable it.
If you have KNOX on your Galaxy device and you have rooted it, you’ll see a verification message that pops up every time SuperSU is called for action by some apps on your device. The message runs like this:
“SuperSU tried to access system in your device without authorization. This action was blocked.”
“An application attempted to access system on your device without authorization.”
“Unauthorized access to a secured area has been blocked.”
You can get rid of this annoying thing easily by disabling Knox service and its agent apps. Remember, once KNOX is aware of SuperUser on your phone, it’ll block its functioning and you might not be able to use any root app. In case you are unable to get root access (after rooting your device) because KNOX prevents SuperSU in doing so, do this:
You should now be able to enjoy root access on your Samsung Galaxy device. If you want to remove KNOX from the device, use the method given below. If the above method does not work for you, you phone might not be rooted properly. Verify the root with Root Checker app.
If root is not verified, root the device again and then try this method.
Our tutorial on removing/ disabling/ uninstalling KNOX might be used to get rid of KNOX on all Samsung devices with Android 4.2 or above. The following Galaxy phones and tablets support Samsung KNOX:
Samsung KNOX can be removed from a Galaxy device without root access. Just follow the steps given below:
Done and enjoy! Now your phone or tablet is KNOX-free.
su pm disable com.sec.knox.seandroid
Download and install an app that is capable of freezing system apps on Android devices. Titanium Backup is a good option. This method requires root access too.
All the KNOX apps will be uninstalled. You should now get rid of it. Enjoy! Open Titanium Backup when it is installed, grant SuperUser permission to it when prompted and freeze the following apps:
If you have root privileges over your Samsung Galaxy S3/S /Note 2/Note 3, there is yet another method using which you can get rid of this irritating KNOX thing.
Having deleted these apps, there will still be some KNOX apps left on your phone. Let’s now eliminate them too. Go back to the system/app folder and find the following apps:
If you do not find KLMSAgent app in system/app directory, look for it in system/priv-app folder. Either mark these items together and delete them or find and remove them one by one.
If you just want to disable Knox notifications on your Samsung Galaxy device, there is a good app available at the Google Play Store that requires root access and makes the job pretty easier:
If you keep getting the annoying KNOX notification on your Samsung Galaxy phone or tablet, there is another way you can disable it very easily. This method requires root access on your device and uses the well-known Xposed Framework and its module named Wanam Xposed. Here is how you can do it.
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