Root & Un-root:
Please read carefully to do this work, Here is a good how to link for Rooting your device.
Root Samsung Galaxy Pocket S5300 with Simple Steps
Source: androidust.com (Thanks for good HOW TO)
(For unroot rename it as "update" before flashing)
Fully Working CWM for Galaxy Pocket!
Download from Here
Please Thank him to vM00 for giving us fully working CWM
1) Copy the zip files to your Internal Memory
2) Go to recovery by holding VOL_UP+POWER+HOME
3) Choose apply update from sdcard and select vM00CWM.zip
4) Done, your CWM is ready to Play!