Tips & Tutorials

Update AT&T Galaxy S7 G930A to UCU4CRE4 Android 8.0 Oreo Official Firmware

Here is a proper guide for AT&T Galaxy S7 G930A users to update their smartphones to UCU4CRE4 Android 8.0 Oreo firmware. The international variant of Galaxy S7 received this major software overhaul few months back but finally, it has started arriving for US customers. Changes are quite substantial and immediately noticeable. Now, as the update is being pushed through OTA (over-the-air), some users might get it earlier than others. Further, in case you are running a custom ROM or have rooted your device then you also wont be eligible to receive the OTA package. Fortunately enough, our manual steps let you update regardless of your scenario and that too, immediately. For complete steps on how to install UCU4CRE4 Android 8.0 Oreo firmware on Galaxy S7 G930A with Odin tool, read ahead — and also root Galaxy S7 G930A phone on this firmware.

Galaxy S7 is aging and the signs are starting to clearly show. Take this update opportunity to factory reset your device as this will let you clear out unnecessary junk and cache files, letting you start fresh. Also, thanks to Samsung Smart Switch, you can easily backup your data and restore afterwards. For alternate backup procedures and general storage tips, do read on how to make a backup of your stuff and all your apps. After you have made sure that your data has been safely and completely backed up, install UCU4CRE4 Android 8.0 Oreo on Galaxy S7 G930A using ODIN with the instructions ahead.

Install UCU4CRE4 Android 8.0 firmware on Galaxy S7 G930A

Disclaimer: All the custom ROMs and firmwares, official software updates, tools, mods or anything mentioned in the tutorial belong to their respective owners/developers. We ( or the developers are not to be held responsible if you damage or brick your device. We don’t have you on gun point to try out this tutorial 😉

UCU4CRE4 Android 8.0 Firmware Details:

Model SM-G930A
Model name Galaxy S7
Country USA (AT&T)
Version Android 8.0.0

You might find these following Galaxy S7 G930A related articles interesting:

If you plan on rooting this phone or are still confused for why to root Galaxy S7 G930A, read: Benefits of Rooting Your Android Device.

Samsung Galaxy S7 USB Drivers

You will need to connect your Android phone with the computer. For that, please make sure you have installed the USB drivers for Samsung Galaxy S7 properly. If not, you can download the latest official drivers from our Android USB Drivers section here:

Download Samsung Galaxy S7 USB drivers!

How to Install UCU4CRE4 Android 8.0 on Samsung Galaxy S7 G930A Oreo Firmware

We have put together a detailed step-by-step instructions guide on how to update Samsung Galaxy S7 to Android 8.0 UCU4CRE4. If you are used to installing official updates through ODIN on Samsung Galaxy devices, then this should not be any different for you.

Please read every line carefully and make sure you read the tutorial once before actually performing on your device. There are some files to be downloaded, so we recommend downloading them from before to save time while you flash this firmware update.

ODIN3 v3.09

To Remember:

  • This tutorial is only for Samsung Galaxy S7 G930A. Please don’t try this on any other variants of the phone.
  • G930AUCU4CRE4 is an official firmware by Samsung for the Galaxy S7 G930A.
  • Make sure you backup all your data in your phone before proceeding.

Rooting Warning: This is an official Android 8.0 build UCU4CRE4 update for Galaxy S7 G930A, which means you will lose root as soon as you install this update. You will again have to root Galaxy S7 to gain full system access and be able to install root apps again. See here: How to Root Galaxy S7 G930A on UCU4CRE4 Android 8.0 Oreo Official Firmware.

Complete Step-By-Step Instructions:

Step 1 – Download Android 8.0 G930AUCU4CRE4 for Galaxy S7 to your computer and extract the zip file.

Step 2 – Download Odin which will help you to install Android 8.0 on Samsung Galaxy S7 G930A.

Step 3 – Switch OFF your phone. Now press and hold the Volume Down + Home buttons together, and then press the Power button till you see a warning screen (as shown below). Press Volume Up to confirm and proceed to the Download Mode. Having issues getting into this mode? Read our detailed guide on how to enter Download Mode S7.

ODIN Mode - Samsung Galaxy A7 G930A (2017)

Step 4 – Make sure you have your Galaxy S7 USB drivers installed on your computer.

About the author

Taimur Akmal

Devoted writer, enjoys developing code. Appreciates excellent food, exceptional coffee and great company. He is also into sublime design and nicely built cars.


  • para los que tienen el problema de que la AP esta en .TAR solamente deben habilitar la opcion de mostrar extencion en windows y agregar .md5 de tal forma que quede .tar.md5 para que el Odin lo reconozca

  • I followed all the steps, but when it gets the end I recieve a FAILS message, dont really know what’s happening. You have any clue

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