Since There is no CWM ( clockworkmod recovery ) for Samsung Galaxy Core 2 SM-G355H/M so devs decided to make one . And cleverior.ipul ( Xda developer ) suceeded in making a bug less recovery for Galaxy Core 2 .This is CWM version 220.127.116.11 in which you will be able to Install till KitKat 4.4.4 and above !
How to Install CWM ( clockworkmod recovery ) on amsung Galaxy Core 2 SM-G355H/M -
Step 1- Download the Packages from below .
Step 2- Install Proper drivers for Samsung Galaxy Core 2 and reboot your PC / Laptop .
Step 3- Extract Odin software and Recovery.zip on a folder .
Step 4- Open Odin software of PC as Administrator .
Step 5- Boot your Phone in Download mode by pressing ( Volume down + Home + Power Buttons).
Step 6- Connect Your Phone and PC via usb Cable .
Step 7- In Odin , Select PDA and Choose the Recovery.img you have extracted from zip in Step 3 . Note - Make sure in Odin "re-partition" is not ticked .
Step 8- Click Start button and wait until the process finishes !
Latest USB drivers for Galaxy Core 2 - Download Here
Odin Software for Windows - Download Here
CWM recovery For Galaxy Core 2 - Download Here
Source - XDA