This Firmware flash for Samsung Galaxy Win Pro with the Model Number is SM-G3812. Firmware Region is China and CSC code is CHU China Unicom. Make sure the Model Number are correct with you device. You can check the Model Number in Setting - About phone (Model Number), If phone can't start you can find it by flipping your phone or among the things you found in the box. This Firmware PDA is G3812ZNUAOH1 with OS Jelly Bean(Android 4.2.2) and the Firmware are build on Wed 09 Sep 2015 09:48:16 am.

Download Firmware Samsung Galaxy Win Pro (SM-G3812)

AP Version: G3812ZNUAOH1
CSC Version: G3812CHUAOH1
Android Version: Jelly Bean(Android 4.2.2)
Region: CHU China Unicom
Country: China
Binary: N/A

Build Date: 2015-09-09 09:48:16
Size: 718.07 MB
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About Phone:

Samsung Galaxy Win Pro G3812 Android smartphone. Announced Dec 2013. Features 4.5″ display, 5 MP primary camera, 2100 mAh battery, 8 GB storage, 1.5 GB RAM.

Admin Aug 13, 2020 SM-G3812, CHU

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How to flash firmware

Extract (unzip) the SM-G3812_CHU_G3812ZNUAOH1......G3812ZNUAOH1.zip file. using WinRAR or 7-Zip.
Download Odin Tool 3.14.1
Extract Odin and open it.
Reboot Samsung Phone in Download Mode (hold Home + Power + Volume Down buttons / hold Volume Down + Bixby buttons then plug-in cable)
Connect you Samsung Phone and wait until you get a BLUE sign in Odin.
Add the 1 file Samsung firmware to AP/PDA or 4 files Samsung firmware (AP/BL/CP/CSC) to it's slots.
Do NOT tick any extra boxes. The only options to be ticked are F.Reset Time and Auto-Reboot.
Click the start button, wait for Odin to say 'PASS' in a GREEN sign. Once the flash is complete, your phone will reboot, and you can disconnect your phone from the PC.