If you’ve researched anything about Android on the internet, you’ve probably seen and read about “rooting” one. There was a time when many of the Android phones available didn’t live up to their potential, and root was the answer. Horrible software was the norm, applications that you would never use ran amok and wasted data and battery life, and the experience was bad all around.
Because every Android phone is running the Linux kernel and middleware very similar to a Linux distribution you would install on a computer under the hood, rooting them was the way to allow us to try and fix them our own way. Rooting is how you get complete access to everything in the operating system, and those permissions allow you to change it all. Modern Androids are quite a bit better than they used to be. Even the most inexpensive phone or tablet you can buy in 2017 will do more and perform better than the best Android phone available just a few years ago. But many of us still want to root our phones and are looking for more information.
What exactly is root?When you root your Android, you’re simply adding a standard Linux function that was removed.
Root, at least the way we’re talking about it here, is the superuser. Your Android phone uses Linux permissions and file-system ownership. You are a user when you sign in, and you are allowed to do certain things based on your user permissions. Apps you install are also given a type of user ID, and they all have permissions to do certain things — you see those when you install them on older versions of Android, or you are prompted to allow them on Marshmallow or higher — in certain folders with certain files. Root is also a user. The difference is the root user (superuser) has permissions to do anything to any file any place in the system. This includes things we want to do, like uninstall application forced on us by the people who built them or the people who sells them to us as well as things we don’t want to do that can put your Android in an unusable state. When you’re doing things with superuser permissions, you have the power to do anything.
When you root your Android, you’re simply adding a standard Linux function that was removed. A small file called su is placed in the system and given permissions so that another user can run it. It stands for Switch User, and if you run the file without any other parameters it switches your credentials and permissions from a normal user to that of the superuser. You are then in complete control, and can add anything, remove anything and access functions on your phone or tablet that you couldn’t reach before. This is pretty important, and something you should think about before you begin.
Yes. No. Maybe. All three answers are perfectly valid. People have different reasons to want to root their devices. Some do it just because they can — they paid for the hardware and think they should be able to do anything they like. Others want to be able to add things that aren’t there, like internet servers or be able to “fix” services that are there but don’t work the way they would like them to work. People might buy a phone because they like the hardware, but hate the software and want to change it. Mostly, people root their phones because they simply want to get rid of the extra things on it that they don’t want. Every one of these reasons — as well as any reason you might have that aren’t mentioned here — are the right reasons.
Before you do any preparation to root your phone, you need to remember that it changes everything about the inherent security from Google and the people who built it. Plenty of us don’t like it, but being able to access an account with admin permissions was not included in release versions of Android on purpose. As soon as you add this capability, you are responsible for the security and integrity of the operating system and every application on it. For some, this is more responsibility than they want or need. Rooting isn’t the answer for everyone. If you’re not sure about the ways you can break things by doing them as root, you should learn more about it before you start. It’s OK to not know things and to try and learn, but not knowing and doing them anyway can turn a very expensive Android into a paperweight. You also need to know that for many Android models, rooting means your warranty is null and void. Services (including apps as well as network access from your carrier) can be denied to you because of the security risk when you’re rooted. The risk is real, because so many users go into it all blind and let security lapse. Not doing that is your responsibility — take it seriously!
Finally, there are plenty of users who simply don’t care about this stuff. Any Android phone, no matter how restricted root access is, can do just about everything we want or need from a pocket computer. You can change the appearance, choose from over a million apps in Google Play and have complete access to the internet and most any services that live there. You can even make phone calls. It’s great if you’re happy with what you have and what it can do, and aren’t worried about trying to fix what isn’t (in your eyes) broken.