G890AUCU5CPK3 AT&T Galaxy S6 Active SM-G890A Official Android Marshmallow 6.0.1 Firmware Updates

Here’s AT&T Samsung Galaxy S6 Active SM-G890A official Android 6.0.1 Marshmallow stock firmware for those who might want to manually install or upgrade in no time. All of these firmware builds are officially released via OTA itself to which directly taken from Samsung’s public server.

The stock firmware were very useful to remove root or any modified system images and restore the Galaxy S6 Active SM-G890 to its official default firmware settings. It can also be use to upgrade the device if one have missed the OTA updates. Also the stock firmware itself  can fix the device if and when the device suffers unwanted soft-bricks such as bootloops, stuck at welcome screen logo due to rooting, installing custom recoveries, kernels, and custom ROM.

An Important Note Of Caution: Once your device is upgraded to Android 6.0.1 Marshmallow you cannot return back to Android 5.1.1 Lollipop. Also, you cannot downgrade from the newest updates back to the previous released builds due to the recent “bootloader” locking implementation. The stock firmware below are the selected packages. A selection of OTA Updates that brings major changes or adverse effect to the device performance. While others were not included here since those only brings up minor enhancements.att-galaxy-s6-active-marshmallow-firmware-g890aucu4cpf1-info

AT&T Galaxy S6 Active SM-G890A  Android Marshmallow Firmware

G890AUCU5CPK3 Marshmallow 6.0.1 Update

Device name: AT&T Galaxy S6 Active
Model number: SM-G890A
Android version: 6.0.1
Android security patch level: November 1, 2016
Baseband version: G890AUCU5CPK3
Kernel version: 3.10.61-9696102
Build number: MMB29K.G890AUCU5CPK3
Release date: December 19, 2016
Changes: AT&T Messages Backup & Sync and AT&T Wi-Fi Calling Enhancements
Download: SM-G890A_G890AUCU5CPK3_ATT.zip

G890AUCU4CPH3 Marshmallow 6.0.1 Update

Device name: AT&T Galaxy S6 Active
Model number: SM-G890A
Android version: 6.0.1
Android security patch level: August 1, 2016
Baseband Version: G890AUCU4CPH3
Kernel Version: 3.10.61-8347181
Build Number: MMB29K.G890AUCU4CPH3
Release date: Aug. 31, 2016
Changes: Improved Messaging services performance. Fix a pop-up message “IMS Has Stopped”.
Download: SM-G890A_G890AUCU4CPH3_ATT.zip

G890AUCU4CPF1 Marshmallow 6.0.1 Update

Device name: AT&T Galaxy S6 Active
Model number: SM-G890A
Android version: 6.0.1
Android security patch level: June 1, 2016
Baseband version: G890AUCU4CPF1
Kernel Version: 3.10.61-8347181
Build Number: MMB29K.G890AUCU4CPF1
Release date: July 5, 2016
Changes: Enable Wi-Fi Calling
Download: SM-G890A_G890AUCU4CPF1_ATT.zip

In-case you might still need the Android 5.1.1 Lollipop for whatever reasons, then you can also grab it this:

G890AUCU3BOJE Lollipop 5.1.1 Update:

Device name: AT&T Galaxy S6 Active
Model number: SM-G890A
Android version: 5.1.1
Baseband version: G890AUCU3BOJE
Kernel version: 3.10.61-6145392
Build number: LMY47X.G890AUCU3BOJE

Download: SM-G890A_G890AUCU3BOJE_ATT.zip

Prerequisites:

Before you proceed prepare these necessary things as follows so you will not screw-up your phone:

• Create a back-up all your personal data, like: Contacts, Messages, Applications, Pictures and Videos, so that you will not lost it just in-case something might went wrong after the update.
• Make sure that your Galaxy S6 Active battery is fully charged to ensure stability and to get rid pf power failure issues while updating.
• Prepare a PC, this will not work on Mac.
• Enable USB debugging mode if you are having issues connecting your device to the computer try to enable the this option. In your Samsung Galaxy S6 Active go to Settings > About device > then look for the firmware “Build number” and then tap that build number for around 7-times. Then hit back to Settings > Developer option > Enable USB.
• TURN OFF the Reactivation Lock – Got Settings > Security > Reactivation Lock and then uncheck the Turn Reactivation lock on. This is only needed if you already turned-it-ON, from which you cannot modify the device internal system when it’s turned-ON.

Odin Installation:

Odin downloader – look for Odin3_v3.11 here
USB Driver – drivers are here (only needed if you haven’t installed Kies/Smart Switch for PC)

1) Download the firmware packages and ensure that you have installed the USB drivers first.
2) Run Odin3_v3.10 flasher program. DO NOT touch the default options such as check-marked boxes “Auto-Reboot” and “F-Reset Time” while leaving the “Re-Partition” unchecked.

3) Reboot the Galaxy S6 Active into Download Mode: Turn it Off first. Then press and hold the Volume Down, HOME and Power ON button at the same time). You will then presented into a “Warning Message” screen, just press the Volume Up to continue. Once the Android robot and a “Downloading” message appears.

4) Connect the USB data cable from Phone to PC. The ID:COM box will turn to a bluish color when the phone is properly connected and recognized with Odin.

5) Load the stock firmware on each designated slots.

For single-packed stock firmware only: Just click on the AP button then select and load the single NC2 stock firmware packed.

AP: ‘G890AUCU5CPK3_G890AATT5CPK3_G890AUCU5CPK3_HOME.tar.md5′.

6) Lastly, tick the ‘START’ button when all is set and ready to begin flashing.

Do not disconnect nor do anything when the phone is already in flash mode. You’ll messed up the phone if you accidentally interfere the installation. Wait until a word “PASS” appears on the left side of the Odin screen, it is an indication that the installation successfully completes. (If you get failed errors, check the USB connection condition, repeat the whole process)
Wait until the phone completely reboots, then unplug it from PC.

Do full wipe data factory reset again just right after flashing. This is only optional just in-case you’ll want to get rid of lag issues after flashing. Press and hold Volume Up+ Home+Power button, then select the Wipe Data/Factory Reset, to gain a much fresher firmware installation.