How To Update The Samsung Galaxy S8+ SM-G955U Software

Here is an easy and complete step by step guide on how to update the Samsung Galaxy S8+ SM-G955U software version.
Updating the software version of your Samsung device is an important thing to learn. It will help you stay up to date with the latest fixes for the software bugs, Security Patches, getting the new software features and more.

Samsung Galaxy S8+ SM-G955U Software Update Methods:

Fortunately, there is more than one method to update your Galaxy S8+. So if one of these methods does not work for you, You can try another one.

There are three methods to update the software version of the Galaxy S8+ SM-G955U:

• Update the Samsung Galaxy S8+ SM-G955U software via FOTA.
• Update the Samsung Galaxy S8+ SM-G955U software via Samsung Smart Switch.
• Update the Samsung Galaxy S8+ SM-G955U software via Samsung Odin.

How To Update the Samsung Galaxy S8+ SM-G955U software via FOTA:

In this software update method, You do not need to use any external tools or programs. All you need to perform this update method is a good WiFi connection. The steps are really easy. All You have to do is reading this guide to update your device via FOTA.

How To Update the Samsung Galaxy S8+ SM-G955U software via Samsung Smart Switch:

This update method is a little bit different, As you need a computer to update your Galaxy S8+. But it is also a simple process and does not require any experience. If you want to try this method, Then read this guide and follow the steps one by one and you will make it.

How To Update the Samsung Galaxy S8+ SM-G955U software via Samsung Odin:

Indeed I recommended this update method if the other two ones have failed. To update the Galaxy S8+ SM-G955U via Samsung Odin flasher, You need a computer, Samsung Firmware package, Samsung Odin flasher, Samsung USB drivers, And a USB cable.

In case you do not know how or where to get the Samsung firmware package, Then here is a complete guide on How to download Samsung firmwares.

Tip: Make sure to download a newer firmware version from the one installed on your Samsung device.

Samsung Galaxy S8+ SM-G955U Software Update Checklist:

• Download and install the Samsung USB driver for mobile phones on your computer.
• Download and extract the Samsung Odin flasher (on your computer).
• Extract the Samsung firmware package (on your computer).
• Check the battery level of your Samsung device. Charge it if it is lower than 50%.
• Make sure you know the Google account name and password. And any other Email accounts info, Samsung accounts info…etc.
• Backup any wanted data before updating your device’s firmware (Use the Samsung Smart Switch software to backup all your important data).

Tip: Sometimes there are two CSC files inside the Samsung firmware package.
If you are installing a firmware with the same country code (Or carrier) like your device already has, Then select the HOME_CSC_xxx file in the CSC field (This one will keep your apps and data). But in case you are installing a firmware with a different country code (Or carrier) then select the CSC_xxx file instead.

Samsung Galaxy S8+ SM-G955U Software Update Step by Step:

1- Run Samsung Odin flasher as Administrator.

2- Click on Options tab.

3- Make sure the Auto Reboot, F.Reset Time options are checked.

4- Select the firmware files:

• Click on the BL button and select the file starts with BL_xxxx.
• Click on the AP button and select the file starts with AP_xxxx.
• Click on the CP button and select the file starts with CP_xxxx.
• Click on the CSC button and select the file starts with HOME_CSC_xxx or CSC_xxx.

5- Turn Off your Galaxy S8+, And wait for 10 seconds.

6- Put the device into the Download Mode:

• Press and hold the Volume Down and Bixby buttons, Then press the Power button.
• When the Warning screen appears, Release the buttons.
• Press the Volume Up button to enter Odin Mode (Download Mode).

7- Use the USB cable to connect your Galaxy S8+ to the computer. It is better to use the original USB cable you got with your Samsung device.

8- When the computer detects the newly connected device completely, You will see the COM port number of your device at Odin window (0:[COMxx]).

9- Click on the Start button. Odin flasher will start installing the new firmware files on your Galaxy S8+, And reboot it when finishing.

10- Wait until you see PASS! Word at Odin program’s window. That means the update was successful. You can disconnect your Galaxy S8+ from the computer.

11- After your Galaxy S8+ is completely on, Select your preferred device language. Then, Follow the on-screen instructions to proceed with the initial setup.

12- Done, You have updated the software version of your Samsung Galaxy S8+ SM-G955U.

Did you use this guide to update your Samsung Galaxy S8+?

Which method did you use?

Share your experience in the comments below.