THIS ONLY WORKS FOR 4.0.4 NOT NEW JB Update
Installing Clockwork Mod Recovery

His working on JB CMR

Warning these files are for the sch-r740c only, these files and procedures will void your warranty and may brick your phone.
Use at your own risk assuming all responsibility for loss or damage that may result from use of these files or procedures.
You have been warned do not come crying to me!


Odin + R740c CWM Touch Recovery




Follow these steps very carefully, or you might brick your phone.

1. Download the Odin Flashing Application package on this thread (Recovery roms inside) Extract to a know location

2. Right click on the .exe file inside of the odin folder and select “Run as Administrator”

3. Now that odin is running:

4. CLICK ON THE PDA BUTTON

5. When the file window appears, browse to the appropriate sub directory and select recovery.tar.md5

6. Press Start.

DO NOT DISCONNECT, UNPLUG, PLAY WITH ANY BUTTONS, OR CLICK ANYTHING ON EITHER THE PHONE OR COMPUTER UNTIL ODIN HAS FINISHED FLASHING CLOCKWORK RECOVERY ON YOUR PHONE.

7. To boot into recovery, just turn of the phone and press the upper volume button.



CREDIT GOES TO Cowboyenvy @ xda-developers


here is his original thread
SCH-R740C Samsung Galaxy Discover Cricket CWM touch - xda-developers