Flash / Install Firmware Samsung GALAXY S3 SLIM (SM-G3812B) Using ODIN v3.11.1 | Full Guide.

Flash Stock Firmware Samsung GALAXY S3 SLIM (SM-G3812B). On this guide below guidebelajar will show you how to flash or install a new firmware on Samsung GALAXY S3 SLIM (SM-G3812B) Using ODIN v3.11.1. We recommend using Samsung’s own utilities, Samsung Kies and OTA (Over-the-air) to upgrade your software. Use this guide if you are 989% sure about the risks involved in flashing your device. We are not responsible for any damage caused by following this guide.

This device is released on 2014, March. Samsung GALAXY S3 SLIM (SM-G3812B)  is the smartphone with 4.52 Inches,  TFT capacitive touchscreen, 16M colors, work on Android OS, v4.2 (Jelly Bean), Supported with Quad-core 1.2 GHz CPU, combined with 1000 MB of RAM and 5 MP of  Main camera and VGA on secondary camera. 

Prerequisite.

Below is the following things you must do before flashing your Android Samsung Smartphone device.

1. Make sure your Samsung GALAXY S3 SLIM (SM-G3812B)  is fully charged. or minimum has 79 % of battery capacity. It will avoid the flashing process failure.
2. Flashing process will wipe or delete all data stored in internal memory. So, you must always to backup all data before flashing device.
3. Make sure you have installed a latest of the Samsung driver, that support with your device, If you don't have, you can download here
4. Original USB cable driver for your Samsung GALAXY S3 SLIM (SM-G3812B) .
5. Download Odin V3.11.1, Here
6. Download Official firmware file for the model number of your device, download it from - SamMobile, or you can visit the other site, Here. 
7. Or you can read Guide How to Download Official Samsung Firmware From SamMobile. Here
8. Firmware Samsung GALAXY S3 SLIM (SM-G3812B), you must Log In to download firmware via this link.
• SM-G3812B (Direct Link)

Guide To Flash Samsung GALAXY S3 SLIM (SM-G3812B)  

1. You must download all necessary file.(Samsung USB driver and Odin)
2. Then, install all driver to your computer or PC.
3. Extract Odin V3.11.1. file on the destination folder.
4. Switch Off your Samsung GALAXY S3 SLIM (SM-G3812B) to start flashing process.
5. Then, run Odin3 v3.11.1 by right click on Odin.exe and select Run as Administrator.

   

   Flash Stock Firmware On Samsung GALAXY S3 SLIM (SM-G3812B)

6. When program is running, now you can click AP, and navigate to the *.tar or *.tar.md5 firmware file. 

   

   Flash Stock Firmware On Samsung GALAXY S3 SLIM (SM-G3812B)

7. Now your firmware file has been inserted in Odin3 

   

   Flash Stock Firmware On Samsung GALAXY S3 SLIM (SM-G3812B)

8. Then, Enter download mode your Samsung GALAXY S3 SLIM (SM-G3812B) . See this guide how to do it.
9. On this mode, now connect your Samsung GALAXY S3 SLIM (SM-G3812B)  to your PC / laptop using a USB cable. 
10. After your phone connected, you will see a message appear that show your device added and there is info on the ID: COM at top left corner. Keep in mind for this COM vary depending on the PC / Laptop. Just Ignore all, in this picture you will see that your device is detected on (COM 5)

    

    Port Com Samsung GALAXY S3 SLIM (SM-G3812B)

11. Make sure re-partition is NOT ticked
12. When everything already you can click Start Button. at the bottom left corner
13. Just wait for the process to run about 2-5 minutes, and make sure there is no interference in this process. 
14. When complete it will display a notification PASS and your smartphone Samsung GALAXY S3 SLIM (SM-G3812B)  will automatically restart.
15. Wait your device to boot up, it will take a while.
16. When your Samsung GALAXY S3 SLIM (SM-G3812B) is ready to use, now check your firmware version. See this guide how to check it.
17. Finish.




Warning.

Never disconnect the USB cable while flashing process is running.
Install Samsung Mobile Driver or Samsung Smart Switch if you don't see a sign in Odin.
Flash your Samsung GALAXY S3 SLIM (SM-G3812B)  device at your own risk.
Flashing firmware which contains more than one *.tar.md5 file will wipe all data on internal storage.  Flashing official/stock firmware won't increase the binary flash nor KNOX WARRANTY VOID counter and won't cancel the Samsung GALAXY S3 SLIM (SM-G3812B)  device's warranty.