How to install custom rom for galaxy 3v

1. Install / Update Samsung USB Driver on your computer From here 

2.Download and extract the rom files on your PC Here

3.enable USB debugging .

4. Pwer off your phone.

5.Enter download mode. (Volume Down+Home+Power )

6.Download and extract odin on your PC Here

7.Open odin and you will see a yellow massage that you are connected.

.8. Choose Stock Rom

8.1 Single rom click on “PDA” button select tar.md5 file in step 2.1 and press “Start” to begin flash.

8.2 Multiple rom select file in step 2.2 :
– Click on “PIT” button select .pit extension file
– Click on “BL” or “Bootloader” button select BL_xxx_tar.md5 file
– Click on “AP” button select AP_xxx_tar.md5 file
– Click on “CP” button select CP_xxx_tar.md5 file
– Click on “CSC” button select CSC_xxx_tar.md5 file and press “Start” to begin flash.

And you are done xd

ADS HERE !!!