This update is only rolling out for Samsung Galaxy S8 Plus devices. If you are T-Mobile Galaxy S8 Plus user, you October have received the October Security Security Patch OTA  update notification on your device. We highly recommend you to install the update to be on the safer side. Android system should be updated to the latest build to stay safe from the malware attacks. The OTA has been rolled out in the US  and only available for T-Mobile users. This update comes with the latest security patch update which was released by Google in October Security. It also Brings RCS Messaging to the device. The update comes with build number G955USQU5CRIB. The update brings some bug fixes which were available in the previous build. It also brings stability and performance improvements. Thus, you should download and install the update to your T-Mobile Galaxy S8 Plus which will come as an OTA update to your phone.

T-Mobile Galaxy S8 Plus G955USQU5CRIB

Device Name: Galaxy S8 Plus Model: SM-GG955U Android version: Android Oreo Region: Currently available in the US in T-Mobile Network Build Number: G955USQU5CRIB Android Security Patch Level: 1 October

Manually Update T-Mobile Galaxy S8 Plus to G955USQU5CRIB October 2018 Security Patch

You can manually check for the update from Settings > Software update >Download updates manually. If there is no update showing on your device, then wait for few days for the update to come to your device as it is being released phase-wise manner.

Downloads:

Firmware Odin Flash Tool

Check sammobile website to get the latest firmware for your device.

How To Install T-Mobile Galaxy S8 Plus G955USQU5CRIB October 2018 Security Patch OTA Update

First, download the firmware file from the download section above Then follow the linked guide below to Install Security Patch Update On T-mobile Galaxy S8 Plus using Odin Flash Tool

If the installation is successful, you will see the message Pass in the Log Tab.

If the installation is successful, you will see the message Pass in the Log Tab.

Download T Mobile Galaxy S8 Plus G955USQU5CRIB October 2018 Security Patch - 71