By Legion1911 Credits XDA

Installing CWM, Making a Backup and Rooting on the Galaxy R I9103:

All you need is:

ODIN

CWM

Superuser

->Completely Switch off your Galaxy R I9103 (wait for vibration to confirm switch off)

->Switch on in Download mode by pressing Vol Down + Home Button + Power button simultaneously

->You will see a warning for installing custom firmware, just confirm it by pressing Vol Up and enter in download mode.

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->Start ODIN software on your PC

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->Connect your Galaxy R I9103 to your PC via USB cable

->Now you should see "Added" in ODIN message box, if not please check and install Samsung USB drivers again.

->Click on PDA tab and browse to the ".tar" inside the CWM file

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->Don`t change any other option in Odin, make sure Re-Partition is not checked

->Press start button and you will be done within 2 minutes and Odin will show as Pass.

->Now your mobile will reboot automatically

CWM Recovery is installed.

* NOW MAKE A CWM BACKUP OF YOUR DEVICE! *

->Completely Switch off your Galaxy R I9103 (wait for vibration to confirm switch off)

->witch on in CWM recovery mode by pressing Power button, waiting for "Galaxy R" splash screen, and then pressing Vol Up + Home Button simultaneously

[img width=280 height=420] ' alt='' class='ipsImage' >

->Make a Backup (Use Vol keys to scroll)

[img width=280 height=420] ' alt='' class='ipsImage' >

Now its time to root your device by installing Superuser

Completely Switch off your Galaxy R I9103 (wait for vibration to confirm switch off)

Switch on in CWM recovery mode by pressing Power button, waiting for "Galaxy R" splash screen, and then pressing Vol Up + Home Button simultaneously

Click on to “install zip from SD card” (Use Vol keys to scroll)

Select Zip from SD card >> select the Superuser ZIP file

After the ZIP is installed, reboot the device by going to main menu

Now your Samsung Galaxy R I9103 is rooted, without yellow triangle.

Nice post buddy