How to Install XXU2BNK3 Android 4.4.4 on Galaxy Alpha G850F
We have put together a detailed step-by-step instructions guide on how to update Samsung Galaxy Alpha to Android 4.4.4 XXU2BNK3. If you are used to installing official updates through ODIN on Samsung Galaxy devices, then this should not be any different for you.
Please read every line carefully and make sure you read the tutorial once before actually performing on your device.
- This tutorial is only for Samsung Galaxy Alpha G850F. Please don’t try this on any other variants of the phone.
- G850FXXU2BNK3 is an official firmware by Samsung for the Galaxy Alpha G850F.
- Make sure you backup all your data in your phone before proceeding.
Rooting Warning: This is an official Android 4.4.4 build XXU2BNK3 update for Galaxy Alpha G850F, which means you will lose root as soon as you install this update. You will again have to root Galaxy Alpha to gain full system access and be able to install root apps again. See here: How to Root Galaxy Alpha LTE G850F on XXU2BNK3 Android 4.4.4 KitKat Official Firmware.
Complete Step-By-Step Instructions:
Step 1 – Download Android 4.4.4 G850FXXU2BNK3 for Galaxy Alpha to your computer and extract the zip file.
Step 2 – Download ODIN v3.09 which will help you to install Android 4.4.4 on Samsung Galaxy Alpha G850F.
Step 3 – Switch OFF your phone. Now go to Download Mode. How? Press and hold the Volume Down + Home buttons together, and then press the Power button till you see the construction Android robot and a triangle. Press Power again to confirm to enter into Download Mode. Read: How to Enter Download Mode on Galaxy Alpha.
Step 4 – Make sure you have your Galaxy Alpha USB drivers installed on your computer.
Step 5 – Open ODIN on your computer. Connect your phone to your computer while your phone is in the Download Mode.
Step 6 – If your phone is connected successfully, one of the ID:COM boxes will turn yellow with the COM port number. This step might take some time.
Step 7 – Now select the files that you have to flash/install on your phone. These files are to be found from the extracted files in Step 1.
- Click on ‘AP’ and select file with ‘AP’ in its name.
- Click on ‘CP’ and select file with ‘MODEM’ in its name. Ignore this step if there is no such file.
- Click on ‘CSC’ and select file with ‘CSC’ in its name. Ignore this step if there is no such file.
- Click on ‘PIT’ and select the .pit file. Ignore this step if there is no such file.
- Click on ‘BL’ and select file with ‘BL’ in it’s name. Ignore if there is no such file.
If you are using an older version of ODIN or flashing a firmware which doesn’t have the above mentioned file name format then look below for the abbreviations to the old name format. Do note that only file name changes, the functionality and back end process remains the same so don’t worry.
- AP = PDA
- BL = Boot Loader
- CP = Modem
Step 8 – In ODIN, check the Auto Reboot and F. Reset Time options. As for the Re-Partition option, check it ONLY if you selected a .PIT file in the above step.
Step 9 – Now click on the Start button in ODIN. Installation process will start and would take a few minutes to complete.
Step 10 – After the installation is completed, your phone will restart. After you see the home screen, unplug your phone from the computer.
That’s it. Your Samsung Galaxy Alpha has now been updated to Android 4.4.4 build XXU2BNK3 firmware update. Go to Settings > About phone to verify.
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