Android rooting is the process of allowing users of smartphones, tablets, and other devices running the Android mobile operating system to attain privileged control (known as "root access" within Android's subsystem.
Rooting is often performed with the goal of overcoming limitations that carriers and hardware manufacturers put on some devices, resulting in the ability to alter or replace system applications and settings, run specialized apps that require administrator-level permissions, or perform other operations that are otherwise inaccessible to a normal Android user. On Android, rooting can also facilitate the complete removal and replacement of the device's operating system, usually with a more recent release of its current operating system. Most of the time,[citation needed] rooting a device voids its warranty.
As Android derives from the Linux kernel, rooting an Android device is similar to accessing administrative permissions on Linux or any other Unix-like operating system such as FreeBSD or OS X..


Rooting" vs. "jailbreaking"[edit]

Root access is sometimes compared to jailbreaking devices running the Apple iOS operating system. However, these are different concepts. In the tightly-controlled iOS world, technical restrictions prevent
installing or booting into a modified or entirely new operating system (a "locked bootloader" prevents this),
sideloading unsigned applications onto the device, and
user-installed apps from having root privileges (and are run in a secure sandboxed environment).
Bypassing all these restrictions together constitute the expansive term "jailbreaking" of Apple devices. That is, jailbreaking entails overcoming several types of iOS security features simultaneously. By contrast, only a minority of Android devices lock their bootloaders—and many vendors such as HTC, Sony, Asus and Google explicitly provide the ability to unlock devices, and even replace the operating system entirely.[2][3][4] Similarly, the ability to sideload apps is typically permissible on Android devices without root permissions. Thus, primarily the third aspect of iOS jailbreaking, relating to superuser privileges, correlates to Android rooting. www.kara.com.ng

Original source:
http://en.wikipedia.org/wiki/Android_rooting

Android without rooting can be ok...but IPhone without jailbreaking can be help,too much obstruction

please how do I flash a custom kernel with clockwork mod recovery; I need to overclock my processor, please anyone who has an idea can help me.

I use Samsung galaxy grand i9082

haibe: please how do I flash a custom kernel with clockwork mod recovery; I need to overclock my processor, please anyone who has an idea can help me.

I use Samsung galaxy grand i9082

Just go to xda developers,There's nothing about galaxy grand u won't find there,they concentrate alot on them.....google can be a very good friend

psalmdave: Just go to xda developers,There's nothing about galaxy grand u won't find there,they concentrate alot on them.....google can be a very good friend

I have been there so many times, the files there are either fault or not working infact I installed one version 1.05 today and my phone couldn't boot after the installation and so I had to restore to my stock kernel