Download MMB29K.T807AUCU1CPI8 Stock Marshmallow for AT&T Tab S 10.5 SM-T807A


AT&T has finally done with the long awaited Android 6.0.1 Marshmallow for it’s first Gen AT&T Tab S 10.5 model T807A and started official roll out today. Although now it’s Nougat era but Galaxy Tab S 10.5 is getting a year old Marshmallow firmware, that’s not really bad because carrier based devices are always lazy in providing firmware updates to their respective devices. Yet Marshmallow for Tab S 10.5 T807 is a major update carrying build number MMB29K.T807AUCU1CPI8 latest security patches, NumberSync functionality that allows users to handle incoming/outgoing calls if their device is out of reach.

The Android 6.0.1 Marshmallow for AT&T Galaxy Tab S 10.5 SM-T807A is packed with latest features including Doze Mode, better apps permission, redesigned interface and much more. You can also flash the T807AUCU1CPI8 firmware manually using Odin as we mentioned the whole procedure below. Samsung is rolling out firmware updates for most of the awaited devices on daily basis and we have posted guide on the firmware update process of these devices. Now in the following guide we are going to use the same process to update T807AUCU1CPI8 firmware on AT&T Tab S 10.5 T807A, just go ahead and start the installation procedure below you can find the T807AUCU1CPI8 firmware information.

T807AUCU1CPI8 firmware details:

Device Name: Samsung Galaxy Tab S 10.5 (AT&T)

Model: SM-T807A

Android Version: Android 6.0.1 Marshmallow

Build Number: T807AUCU1CPI8

Size: 1063MB

Security patch level: Sep 1st 2016

Samsung Galaxy devices can be updated to newer firmware by three different software update methods and we have mentioned all of them below.

1 – OTA

2 – Samsung Kies

3 – Odin flash

You can follow any one of them you find easy but every firmware update process has some limitations and requirements. If you have installed custom recovery on your device it will be replaced by the Stock Recovery image and your device will become completely Stock after flashing the firmware. Below are the three firmware update methods you can follow to update your AT&T Galaxy Tab S 10.5 SM-T807A on T807AUCU1CPI8 Android 6.0.1 Marshmallow.

How to update AT&T Galaxy Tab S 10.5 SM-T807A to Android 6.0.1 Marshmallow via OTA (Over The Air) method

This is the first and preferably the most easiest method to update your AT&T Galaxy Tab S 10.5 SM-T807A on T807AUCU1CPI8 firmware. You can use your device to download the firmware file if available and then the device will ask you to install the updates now or later. As we mentioned above the limitation of OTA method is that you can update your device to latest firmware only as long as you are present inside the region where the OTA has landed and your device is in stock un-rooted condition because rooted device will not able to receive the OTA updates then you have to un-root your device or switch to the alternative methods like Kies or Odin. To check whether your device is eligible for OTA Firmware update, unlock your device & navigate to

Settings >> About device >> Software update >> Check for updates

This will require a working internet connection to connect to the Samsung servers. You will receive a notification about the latest firmware availability click install to flash the firmware or tap install later to flash the latest update anytime later.

How to update AT&T Galaxy Tab S 10.5 SM-T807A on T807AUCU1CPI8 Android 6.0.1 Marshmallow via Samsung Kies

Samsung Kies is another useful firmware update application for Samsung and a bit easier to use, just follow the below steps to update your AT&T Galaxy Tab S 10.5 SM-T807A on Android 6.0.1 Marshmallow using Samsung Kies.

  1. Download the Samsung Kies application from the Samsung website and install it on your windows PC or Mac.
  2. Once the installation process completes, click the Kies icon to run the application.
  3. Now connect your device to the PC using USB data cable.
  4. You device will be automatically detected by Kies application and now you can perform multiple functions apart from the firmware update. The Kies application allows you to create a backup of your device before updating to new firmware, click the “Backup and Restore” button and follow the on screen instructions.
  5. Once you successfully created a back up of your device now you can update your device to latest available firmware.
  6. Click the Firmware Upgrade button to check whether new firmware is available for your device, if the firmware is available for your device you will be notified.
  7. Proceed further and follow onscreen instructions to start the Update process.
  8. Your device will reboot automatically once the process is completed.

If this process doesn’t helped you, proceed further to manually update your AT&T Galaxy Tab S 10.5 SM-T807A on Android 6.0.1 Marshmallow firmware via Odin.

First download the T807AUCU1CPI8 firmware and then follow the below link to see the Odin update method.

Guide to update Android 6.0.1 T807AUCU1CPI8 Marshmallow on AT&T Tab S 10.5 SM-T807A manually via ODIN

Gives us your feed back on how did you find our guide for updating AT&T Tab S 10.5 on Android 6.0.1 Marshmallow based T807AUCU1CPI8 firmware. Follow us on Facebook/Twitter and like our Google+ community for future update.

A Software Engineer who loves to hang around latest gadgets and writes his own experiences to get the best possible and accurate information.

We will be happy to hear your thoughts

Leave a reply