Samsung has started rolling out the OTA September 2019 security patch for Galaxy S8 Plus smartphone. The latest update is rolling out via OTA and currently available for the users in the USA region. The September 2019 security patch brings many bug fixes, improvements, some new features, system stability, and much more. The latest official firmware comes with build number G955USQS6DSI4, and it is based on Android 9.0 Pie with One UI. We have an easy step by step guide on how to download and install the September 2019 security patch for Samsung Galaxy S8 Plus.
As we know that Samsung is one of the best brands among Android phone manufacturers. Because it is always releasing quick software updates and monthly security patches for their devices. The new security update is ready to download and install it on your device. If you are the user of Samsung Galaxy S8 Plus and wish to flash this latest security patch on your device, you can check first manually by going to phone Settings > System Update> tap on Check for the Latest Updates.
If you find the new update with build id G955USQS6DSI4, then download and install it on your device. Otherwise, given below, we share the OTA file for you. You can install the given OTA file manually using the Odin tool. Odin is a flashing tool which is officially developed by Samsung. It allows users to flash official stock firmware on any Samsung device. Now go to the instructions portion and follow the given instructions carefully.

Note:
This guide containing the Official September 2019 security patch firmware and instructions can be used only with the Galaxy S8 Plus. Do not try to install this firmware on any other device or incorrect variant. Verify the model number of your device by navigating to Settings > About Phone, the model number of your device must be SM-C900F.
Warning:
AndroidBlog will not responsible for any damage that occurred to your Samsung Galaxy S8 Plus during or after the installation of the September 2019 security patch Proceed at your risk.
Pre-Requirements:
- Make a proper backup of all the existing data and settings of your Galaxy S8 Plus, in case anything goes wrong then you’ll be able to restore your data back.
- Verify that you’ve correctly installed the Galaxy S8 Plus USB Drivers on the PC.
- Enable USB Debugging Mode on your Galaxy S8 Plus by navigating to Settings > Developer Options > check the USB Debugging option.
- If you have a custom ROM installed on the phone, then after installing this stock update, it will be lost.
- The stock version will replace the custom recovery.
- If the Galaxy S8 Plus will no longer belong to a rooted version once the stock firmware installed.
- Check the battery level of your Galaxy S8 Plus, and it should be charged at least about 80% before proceeding to the installation guide.
Required Files:
How to Flash September 2019 Security Patch On Galaxy S8 Plus Android Pie Update:
Step No 1: – First, download the September 2019 security patch official update and Odin v3.10.7 for Galaxy S8 Plus on the desktop of your PC.
Step No 2: – Now, extract the archived contents to get the tar.md5 update file. Don’t extract the tar.md5 firmware update file.
Step No 3: – Turn OFF your Galaxy S8 Plus to boot into Download Mode.
Step No 4: – Turn the device ON by pressing and holding the Volume Down + Home+ Power keys at the same time for a while till the construction Android robot and a triangle appear. Now press the Power button once again to confirm to enter into Download Mode.
Step No 5: – Launch Odin tool on your PC as an Administrator and plug your phone into your PC while your phone is in the Download Mode.
Step No 6: – One of the ID: COM boxes will turn yellow with the COM port number once the phone is connected successfully.
Step No 7: – Select the firmware files tar.md5 that you want to flash on your Galaxy S8 Plus. (Already extracted in Step No 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.
Step No 8: – In Odin, make sure that the Auto Reboot and F. Reset Time options are ticked, but the Re-Partition option should be unchecked.
How to Install Odin On Windows 7/8/10
Step No 9: – Click on the Start button in Odin to initiate the installation process. It will take a few minutes.
Step No 10: – Once the installation process is successfully finished, the Galaxy S8 Plus will restart. Unplug the phone after you see the home screen.
Done! These were the simple steps to download and install the September 2019 security patch Galaxy S8 Plus Android Pie update.
Let us know in the comments area below if you have any issues or questions regarding the above guide.