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No, you can't. Knox creates a secure and encrypted container for your work profile. Once created it separates the information stored in your working profile and encrypts it. The working profile is not accessible from outside its container, unless you enter a given key The Knox flag is set because You or someone else rooted the device previously or ...


1

As suggested by others in their previous comments, there is currently no application which would do that for you without requiring your phone to be rooted first. LockScreen Tweakbox (which is a module for the Xposed framework) can do this for you. However you need your phone to be rooted, plus, you will also need to install a custom recovery. (Xposed ...


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Every now and then (and it's getting more and more frequently), I get a notification that some app tried to install itself (!) but was blocked because it's from "unknown sources", and it's prompting me to disable the "block install from unknown sources" check from Settings. It's not a notification but a dialog and it looks like this: (Click image to ...


2

Some mobile phone manufacturers include an OEM app that automatically download and install other apps. (They reduce the cost of the phone or increase their profits with these marketing deals.) So, you will need to find and disable that app which is doing the sly installs. In my case, it was an app called Cube26. Use apps like Startup Manager or Task Killer ...


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In Android Market was only few viruses so the possibility of catching an virus is rare occurrence. The problem is when you download the apps from internet. I highly do not recommend it. What about AV for Android phones? I am always laughing when people insist that AV for Android device is must have. Why it is not necessary? Consider what the names like ...


2

It is possible to control the nature of the notifications on a per-app basis. If you go to: Settings > Sounds and notifications > App notifications Then you can select the Messages app and toggle on the Hide content on lock screen option. This isn't as useful as the macro driven approach from Firelord as it hides both the sender and the content. It ...


0

I found out more stable ROM. It was not the official one which has noise artifacts, for instance. I found some patches made by Temasek/arter97 here at points (8) and (9). Using them solves the artifact noise problem, which occurs in the official CM13 and kyasu's ROM. I also switched to Temasek ROM which seems to be one of the most used unofficial ROMs. It ...


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There are multiple approaches you could take: a kiosk-mode solution. That would pin the user to a certain app or group of apps defined as "kiosk" parental-control apps, which are often a specific variant of kiosk use an App-Locker The latter most likely is the approach best fitting your current case: You can define which apps should be "locked down" and ...


4

I would say the first notification in first image would serve as a good replacement for the first notification in second image. (Click an image to enlarge it) Given that an SMS usually contains information considered private in nature, I would suggest you setup an automation task which would remove the notification created by your default messaging app ...


2

There are a few advantages to rooting using the official process. It's officially supported on many phones. This means you can use a process that's documented by the manufacturer, and tools from an official source, or a trustworthy third party (CWM or TWRP), instead of having to run a tool that you got from some dodgy website. Because it's officially ...


2

Thanks to AndrewT who posted a link on chat, having this research paper as a refernce in one of the answers. This answer is entirely based on the this paper (May 2015) and highlights common user understandable aspects ( it has a lot of security related material for those interested) What are the pros and cons apart from above? If a device has ...


1

You'll need root access, a compatible Xposed framework1 installed and EnhancedToast (an Xposed module) installed and activated in Xposed Installer app. Once the Xposed module is activated and device rebooted, launch EnhancedToast → Android System (package name: android) → select the toasts that you want not to show up. Selection of any entry ...


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Summing up from the (now purged) comments: As the device really seems to be bricked beyond the chance of repairing it yourself, there are indeed only two options left: Keeping it as a paper-weight to protect your data – or sending it in under warranty/insurance to get it repaired, with the risk that someone might try to get a hand on your data. While the ...


3

Yes, it is normal to have these security certificates. To trust a security certificate you encounter on the Internet, your device needs a way to verify a certificate is good. You can't just accept any certificate that is presented because any adversary able to become a man-in-the-middle (like a public WiFi access point) would be able to spoof any website. ...


-1

The Application which applies the overlay can be found using application permission manager. Simply go through the native application manager (or download from play store) and check whether any app has permission for "Draw over screen" or "Apply Overlay" or "draw over other apps".



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