For some of the apps presented at us, there is a basic requirement: root access. The procedure from device to device is different to a Smartphone to rooting. Our tutorial will show how to get on the Galaxy S II root access.

Who rootet his device gives you administration rights on him and can engage more deeply into the operating system. The mommy to such condition is to install of an alternative firmware (custom ROMs).

Who performs the root operation, but lose the guarantee of its Android powered device and on top of that is in danger, to make it completely unusable. All of the steps listed in this root tutorial done so at your own risk! Androidapptests.com assumes no liability for improper installation.

1. Preparation

The following programs are required to install of a super user (root):

Samsung Kies(>Download)
Odin3 Communicator (->Download latest odin)
Root kernel (special operating system kernel) for firmware installed on your Smartphone


What is Samsung Kies?
Samsung Pebble is a Samsung software for backup, synchronization, and of course the hardware installation. With it, you can sync to keep its data between Smartphone and, for example, Microsoft Office Outlook and back up his data for the case of a repair, a total loss or theft.
Samsung is required for this tutorial gravel just to provide the drivers for the phone.
What does Odin3 Communicator?

Odin3 Communicator can download entire operating systems or any part thereof from the PC to your Smartphone. Only a new operating system kernel is needed for the root of a Galaxy S2 (i9100). In the context of this tutorial, Odin is used to Flash of the kernel on your Smartphone.
Odin can revive although phones are located in the boot-loop, i.e. show Smartphones that not more fully boot up, but only the boot logo.
What is the operating system kernel exchanged?

The lowest level of an operating system is the kernel. He is responsible for the communication between hardware and software.

But still a small, but crucial additional contain the kernel from my list: include the super user. This is a kind of administrator of the Android operating system, has many additional rights that need some programs from the market.

How do I find the right kernel to my firmware?

The latest firmware of the Samsung Galaxy s II can be obtained under settings-> phone info. The last three characters of the build number (for example KG3) match the kernel version to use. In this case: CF-root-SGS2_XX_OXA_KG3- v4 1-CWM4
List the kernel to the corresponding firmware versions.

• CF-root-SGS2_XW_XEU_KE2-v4. 0-CWM4.zip
• CF-root-SGS2_XW_XEU_KE7-v4. 0-CWM4.zip
• CF-root-SGS2_XW_ODD_KE8-v4. 0-CWM4.zip
• CF-root-SGS2_XW_OJV_KF1-v4. 0-CWM4.zip
• CF-root-SGS2_XX_OXA_KF2-v4. 0-CWM4.zip
• CF-root-SGS2_ZS_OZS_KF4-v4. 0-CWM4.zip
• CF-root-SGS2_XW_CLK_KF3-v4. 0-CWM4.zip
• CF-root-SGS2_XX_OXA_KG1-v4. 1-CWM4.zip
• CF-root-SGS2_XW_MOT_KG1-v4. 1-CWM4.zip
• CF-root-SGS2_ZS_OZS_KG2-v4. 1-CWM4.zip
• CF-root-SGS2_JP_XSG_KG2-v4. 1-CWM4.zip
• CF-root-SGS2_XX_OXA_KG2-v4. 1-CWM4.zip
• To download another kernel go to xda developers thread

Root Samsung Galaxy S2 Process

After Samsung Pebble is installed, you must run Odin and connect your phone to the PC. The connection is established, IC lights: yellow on COM. Now, in addition to the button "PDA", it must specify the path to the .tar of kernel (included in the .zip). Are these preparations, it can go: Please press start.

The root process will automatically go through. Is the phone is restarted, the root is performed. Root programs such as, for example, titanium BackUp can now or use SetCPU.

Caution: at every boot of the phone a yellow warning triangle lights up now at the bottom of the screen: it indicates only that the Galaxy S II i9100 is rooted.