It has been more than a year since we shared a tutorial describing the manual installation of Android Nougat firmware on the AT&T variant of the Galaxy S7/S7 Edge. If you own this great phone and have been waiting for the latest Oreo update, you need not wait anymore as AT&T has recently started rolling out the Oreo OTA with Samsung Experience 9.0 for the S7 and S7 Edge. Luckily, we have got hold of the full Oreo firmware with build number G930AUCU4CRE4 for you and today, we’ll show you how to install Android 8.0 Oreo on AT&T Galaxy S7 (SM-G930A) and AT&T Galaxy S7 Edge (SM-G935A) manually using the latest Odin.
In case you own the non-AT&T Snapdragon variant of the Galaxy S7 or S7 Edge and have stranded this page my mistake while looking for the Android Oreo update for your S7, you should check out this guide to flash the Oreo firmware on your phone. The users of Verizon Galaxy S7/S7 Edge should use this tutorial instead.
Android 8.0 Oreo is definitely a major update for the Galaxy S7 and S7 Edge. While the carrier-unbranded models of the phone received the update about a month ago, the AT&T and Verizon variants users reported receiving the OTA just a few days ago. If you haven’t yet got the update notification, you can check for its availability manually by tapping the Software updates option found under Settings > About Device.
Please note that if have rooted your AT&T Galaxy S7 or S7 Edge, disabled any system app or live out of the United States territory, you won’t get the official OTA updates on your devices. However, that doesn’t mean you can’t enjoy the latest Oreo on your S7 or S7 Edge. By following our tutorial, you can install the Android 8.0 Oreo on AT&T Galaxy S7 and S7 Edge with Samsung Experience 9.0. You can also use the Odin method to restore your phone to stock or fix issues like bootloop and sluggish performance.
New Feature in AT&T Galaxy S7/S7 Edge Oreo Update
Android Oreo is a huge jump for an Old device like Galaxy S7 because it’ll infuse your phone with the latest features, several UI tweaks, and performance improvements. Below is the list of things and goodies that come with the Oreo update for the Galaxy S7 and S7 Edge.
- Password Autofill manager
- Picture-in-Picture mode
- App Notification Dots
- App Pair shortcut
- High-contrast keyboard
- Dialer UI updates
- The new Samsung SmartThings app
- Samsung Experience 9.0 with a bunch of changes in the user interface.
- Limit for background processes for better performance and battery life.
- Dual Messenger feature that lets you use two accounts. 2 WhatsApp accounts on the same phone, for instance.
Download Android 8.0 Oreo Firmware for AT&T Galaxy S7/S7 Edge
AT&T Galaxy S7 (SM-G930A):
Latest Oreo Firmware: G930AUCS8CRJ2_ATT8CRJ2.zip
Having downloaded the above zip on your computer, extract the ‘G930AUCS8CRJ2_ATT8CRJ2.zip’ to get the actual firmware files with .tar.md5 extension. Inside the zip, you’ll find the following 4 files.
- CP_G930AUCS8CRJ2_CP10947856_CL14306562_QB20119446_ REV02.tar.md5
Older Oreo Firmware: G930AUCU4CRE4_Oreo.zip
- AP_G930AUCU4CRE4_CL13527040_QB18162296_REV02.md5 (add ‘.tar‘ just before “.md5” before installing)
- CP_G930AUCU4CRE4_CP9711955_CL13527040_QB18162296_REV 02.tar.md5
AT&T Galaxy S7 Edge (SM-G935A):
Latest Oreo Firmware: SM-G935AUCS8CRK1_(AT&T)_8.0.zip
Download the above zip file and extract the ‘G935AUCS8CRJ2_ATT8CRJ2.zip’ to get the 4 firmware files with .tar.md5 extension. Inside the zip, you’ll find the following files.
- CP_G935AUCS8CRJ2_CP10947862_CL14306562_QB20119544_ REV02.tar.md5
Older Oreo Firmware: G935AUCU4CRE4_Oreo.zip
- AP_G935AUCU4CRE4_CL13527040_QB18162197_REV02.md5 (add ‘.tar‘ just before “.md5” so that the file extension is .tar.md5)
- CP_G935AUCU4CRE4_CP9711957_CL13527040_QB18162197_REV 02.tar.md5
Install Android 8.0 Oreo on AT&T Galaxy S7 & S7 Edge
Now, here are the Android Oreo firmware installation instructions.
- Download Odin3_v3.13.1_3B_PatcheD.zip and unzip it. If you try to install the Oreo firmware with any other version of Odin, you’ll get “emmc_appsboot.mbn.lz4” error.
- Make sure you have the Samsung USB Drivers installed on your PC.
- Go to Settings> Developer options on your Samsung Galaxy S7 and enable USB debugging.
- Precautionary step: Don’t forget to backup your apps and data stored on your phone’s internal storage.
- Now turn off your Samsung Galaxy S7 and boot it into the Download or Odin mode. To do so, press and hold the Volume Down + Home + Power keys at the same time for 2-3 seconds. Release the keys as soon as you see a blue screen with exclamation sign and press the Volume Up key to get into the Download Mode.
- When your phone gets into the Download mode, open the Odin folder double-click the Odin3_v3.13.1.exe file to launch it.
- Connect your phone to your computer using the original Samsung USB cable.
- When your phone is detected by Odin, the ID:COM port will be highlighted (see the screenshot below).
- Now click the BL button in Odin, navigate to the firmware folder and add the file that starts with BL in its name.
- Then click the AP button and add the corresponding file to it. Since the AP file is huge in size, Odin will take some time to add it.
- Now click the CP add the CP file to it.
- Finally, click the CSC button and add the CSC file to it.
- Having added all files, make sure your Odin’s screen looks like as shown below.
- Finally, click the Start button to initiate the installation and wait until the installation completes.
- When the firmware is installed, you will get PASS! message in Odin and your phone will reboot automatically.
- You can now disconnect the USB cable. Since the first boot takes about 5-8 minutes, so you need to be wait patient.
When your device boots up, you’ll be able to use your device. Enjoy the newly installed Android 8.0 Oreo firmware with build version AUCU4CRE4 on your AT&T Galaxy S7 or S7 Edge.
In case you notice any abnormal behavior like slower performance, app force-closes, overheating, etc., performing a data factory reset will fix such post-update issues. You can find detailed steps on wiping cache and data partitions and resetting your AT&T Galaxy S7 here. If wiping the cache partition doesn’t help, perform a data factory reset.