Home Stock Firmware Galaxy S8 + SM-G955FD U8 Firmware Android 9 Pie ZTO

Galaxy S8 + SM-G955FD U8 Firmware Android 9 Pie ZTO

SM-G955FD Binary 8 Firmware Android 9

The specific Galaxy S8 + SM-G955FD U8 Firmware Download Package has a Stock ROM of Galaxy S8 + SM-G955FD U8 Security Patch Level 2020-03-01 (1 March 2020). This helps bypass the FRP lock and revert from the root and custom ROM.

Samsung Galaxy S8 + SM-G955FD Binary 8 Firmware

There are various reasons to flash “Stock Firmware on Galaxy S8 + SM-G955FD U8“. For example, your phone will be stuck or hang on the logo. You want to remove the FRP lock from it.

If you’re going to reset your phone hard and you cannot access the recovery menu. But most of the problems that cause flashing stock ROM are below.

The Advantages Of Stock ROM:

  • Flash Stock ROM to solve the boot loop issue
  • Update and Downgrade
  • Unroot or Fix Bugs on the phone
  • To solve the lag or stutter
  • By flashing Stock ROM, you can fix software issues.
  • Revert to stock to get your warranty.


Galaxy S8 + SM-G955FD U8 Stock ROM Details:

Model SM-G955FD U8, S8, Binary 8, Bit 8
Region / Country Brazil
Language Multi-Language
A version of Android Android 9 Pie
Operator Operator Clean ZTO (without logo, operator apps)
Product code ZTO
Build Date 02 Mar 2020
Security Patch Level 2020-03-01 (1 March 2020)
Download 4File Android File Host

How To Install Galaxy S8 + SM-G955FD U8 Stock Firmware:

Download the Odin and USB Drivers on your PC. Follow the below link to install the firmware using the Odin Flash tool.

How To Flash Samsung Stock Firmware With ODIN

1: Download and Install the Samsung USB Driver on your computer. If a Samsung USB Driver is installed on your computer, then Skip this Step.

2: Download and extract the [highlight color=”yellow”]Galaxy S8 + SM-G955FD U8 Firmware[/highlight] files on your computer.


3: Now, Switch off your Smartphone.

4: After switching off the phone, you must boot into Download Mode. To boot into download mode.

Press and hold Volume Down, Home and Power button at the same time for 5-8 seconds until download mode is active.

5: You can see a Warning Yellow Triangle Sign in the Download mode. In this situation, you must press the Volume Up key to continue.

6: Now, Download and open Odin. Then, connect your Smartphone to the computer.

7: Once you have connected the smartphone to the computer, Odin will automatically recognize the device and show the “Added” message in the lower left panel.

8: Once Odin detects your device, click the PDA button and select the Firmware.tar file.

9: Now, click the Start button in Odin to begin the Flashing.


10: Flashing usually takes 30-50 seconds on your phone to complete the process.

Once the Firmware process is completed, you will see a Green Box with a Pass written in Odin. During this process, the Smartphone will reboot automatically.

Once you see the Pass message in Odin, you can disconnect your Device from the computer.

The flashing process will begin and should take about 10–12 minutes. Your device may take some time to reboot but don’t be alarmed.

You should run your desired firmware when your Galaxy S8 + SM-G955FD finally boots up.

If you want to check that the correct firmware is installed, head to Settings –> About Phone –> Software Information. The firmware number is located under the “Baseband version.”


  • Please read and understand the Full Guide before flashing “Galaxy S8 + SM-G955FD U8 Firmware.
  • Use these instructions at your own risk. We will not be responsible for everything that happens to your device resulting from using the information in this guide.
  • Before flashing, Stock ROM must have a 70–80% charge.

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