Galaxy Win Pro DUOS (SM-G3812B) Android 4.2.2 Jelly Bean

Model: SM-G3812B
Model name: GALAXY Win Pro DUOS
Country: Trinidad and Tobago
PDA: G3812BVJUANH3

Pre-requisites
1. Install USB Drivers for GALAXY Win Pro DUOS SM-G3812B  on the computer.
2. Enable USB Debugging Mode on the note by navigating to Settings >> Developer Options.
3. Make a backup of all your important data before following the guide.
4. Ensure the battery of the note is charged more than 80 percent.

 Download ( Download )

Steps to Update Galaxy Win Pro DUOS (SM-G3812B)  Android 4.2.2 Jelly Bean Firmware
Step 1: Extract Firmware zip file using WinRAR/7-Zip/WinZip or any other extracting tool,
Step 2: Extract Odin zip file and you will get Odin v3.09.exe along with few other files.
Step 3: Switch off the GALAXY Win Pro DUOS
Step 4: Boot the device into Download Mode by pressing and holding Volume Down and Power