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Android Phones - Root

Lets take an live example to understand what ROOTing is:

Imagine that you are using a public place Computer, you can access the access as a user. You might have privileges to install stuffs. But you cant access the c:/windows folder and can not make any changes in the OS files.

Android works on linux. Linux has the following system users:

User

Admin user
Super user
As a regular android user you are an “admin user”. You can install stuff, update, make the screen shiny and just work on it.

Super users can screw up the kernel, over clock the processors (and overheat them by accident), get more sound from the speakers by “over clocking” that to, replace the system with another one, etc.


This has something to do with the security of the phone and the security of specific folders (with the most important folder called “ROOT”).

Like my android milestone is protected in two ways:

The phone’s “bios” (protects the phone from weird changes and combines all devices in your phone to a working system)

The phones ROOT (contains all info on how the phone should work)
The bios must be cracked to make changes in the system (like ROOTing) some nerds do this and post “backups” of this system to xda-developers.
Hackers/programmers make changes to specific files to remove the lock on SU (superuser) and post these in this backups.

SU-acces allows you to do things that are not supposed to work like sharing your 3G-connection to wifi. This is blocked till 2.1 because phone carriers din’t like that. now with the 2.2 update it becomes legal) or change the folder where your apps are installed from phone memory to the SD card(once again in the 2.2 update they fixed this).


But, as you can think with your brains. Rooted systems can be broken by the most stupidest terminal commands (since you can just command the phone to **** itself lituraly), or even when you delete a file from the ROOT folder by accident. Bricking the phone becomes very easy. That’s why phone sellers won’t help you as soon as they notice you were using a ROOTED phone.


You can test if your phone is rooted by downloading a small app called “terminal emulator” and filling in the code:

SU
This (SuperUser) command, means that you tell the terminal that you want to start changing important stuff and you need all acces possible.

If the system is rooted you are presented by a # after you click the Enter(return) button on your keyboard.

If the system isn’t rooted you are presented by the text “No acces” or something like it.

Rooting is only cool for people who build their own systems, want to be their 1G phone (very old phone) a bit faster, or just want to prank to their friends on how they ruined their phones (and how much money they have to buy a new one).


Rooting is not cool for people who know nothing of terminals and linux systems, are no developers for google, have brains, want to keep their phone carriers friendly, experience that in a pocket they can accidently push buttons and people who want to use their phone the best way possible (it costed manufacturers loads of time to adjust the system in such a way that the phone works the best, why would you screw that up?).


Hope this solves the big question about Rooting.

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