How to unroot Android
If you've rooted your Android device, here’s how to put everything back to how it was
Google's Android mobile operating system is the most popular in the world as it is used by practically all major phone manufacturers other than Apple. Based on open source software, it's also easy to add and, crucially, remove from your device.
Indeed, because it has the ability to be so easily rooted and unrooted from a device, it gains an edge over Apple's iOS, offering advanced functionality to a smartphone or tablets.
There's a number of reasons why you'd want to take the Android out of your phone or tablet, whether it's because you want to sell it on, you need it serviced under an existing warranty or to simply make it easier to update with over-the-air patches from the manufacturer of the phone. It's both possible and easy with Android.
Just be sure to back up your data before you do so....
Unrooting Android: ES File Explorer
ES File Explorer is software for managing data on Android. It has a host of tools to do the job and very few people seem to realise that it can be used to unroot Android from a device.
And, rather beautifully, it's free.
Firstly, download the ES File Explorer tool from the Google Play Store. Once launched, you'll be shown a massive number of functions the app can perform. Ignore these, and select the menu drop-down at the top left.
Scroll down this menu until you see a few options with button sliders, some on and some off. One of these will be the Root Explorer option (off by default) - switch this on and it will ask for root privileges.
Back on the main screen of the app, hit the box with the storage information at the top of the screen and locate the device's root folder - this will typically be in "system" | "bin". Find and delete both the "su" and "busybox" files.
Now head back to the main screen, hit the storage info box again and this time look for the "app" folder. In here you want to delete a file labelled "superuser.apk".
Once that's done, you can restart your device. Once it boots back up, your device should be unrooted and back to its original state.
Unrooting Android: SuperSU
One of the most popular methods to root and unroot an Android device is SuperSU.
If your device is already rooted, chances are that you have this installed on it already. If you don't, it is easy enough to go to the Google Play Store and download it.
When this is installed, launch the app and tap on the Settings tab. Scroll down the page until you see an option called "Full unroot", then tap on this. The app will then ask if you are sure you want to completely unroot the device. Tap continue.
Once this is done, the app will automatically close and you will need to restart the device. Once it has rebooted, you can uninstall SuperSU and your device will be unrooted once more.
Unrooting Android: Universal Unroot
Whereas the first couple of methods are free, Universal Unroot will set a user back 78p. However, if the first two options for some reason don't work, this app could be worth exploring. However, the developers not that Samsung Galaxy devices from 2013 and onwards may not allow the app to work properly (due to Knox software) and LG devices while unrooted may still say they are rooted afterwards because of LG's eFuse software.
On launching the app, it will guide the user through unrooting an Android device, allowing for a quick and easy method of unrooting an Android smartphone or tablet.
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