Tips & Tutorials

Update Galaxy A7 2017 to XXU3CRD3 Android 8.0 Oreo Official Firmware

You can now have XXU3CRD3 Android 8.0 Oreo firmware running on Samsung Galaxy A7 (2017) A720F. Samsung has finally started bringing the A series lineup from last year to the latest Android version available. Within a span of weeks, Galaxy A3, Galaxy A5 and now, Galaxy A7 2017 have started receiving updates with Android 8.0 Oreo. Previously, the last build was based off of Android Nougat so once users jump to XXU3CRD3 firmware, they would notice that a lot has changed. Performance, user interface, security and reliability all have been improved. We recommend you use our manual guide ahead to update your Galaxy A7 (2017). Our procedure will take you through each of the steps which are required to update Galaxy A7 (2017) A720F to XXU3CRD3 Android 8.0 Oreo official update — and also root Galaxy A7 (2017) A720F phone on this firmware. We utilize Odin to flash the complete firmware on Galaxy A7 (2017).

Planning on gaining some extra performance? Factory reset your smartphone after the update and set it up as brand new. Before you proceed with that, do make sure to take a look at Samsung Smart Switch. This is a first-party utility which allows you to manage your phone seamlessly and backup all the data from it. For further procedures and utilities do also read on how to backup of your stuff and all your apps. Once you have secured your data and apps, you can proceed with the installation of XXU3CRD3 Android 8.0 Oreo on Galaxy A7 (2017) A720F using ODIN.

Install XXU3CRD3 Android 8.0 firmware on Galaxy A7 (2017) A720F

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 😉

XXU3CRD3 Android 8.0 Firmware Details:

Model SM-A720F
Model name Galaxy A7
Country Russia
Version Android 8.0.0
Changelist 13389536
Build date Wed, 19 Apr 5251 14:23:51 +0000
Security Patch Level 2018-04-01
Product code SER

You might find these following Galaxy A7 (2017) A720F related articles interesting:

If you plan on rooting this phone or are still confused for why to root Galaxy A7 (2017) A720F, read: Benefits of Rooting Your Android Device.

Samsung Galaxy A7 (2017) 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 A7 (2017) properly. If not, you can download the latest official drivers from our Android USB Drivers section here:

Download Samsung Galaxy A7 (2017) USB drivers!

How to Install XXU3CRD3 Android 8.0 on Samsung Galaxy A7 (2017) A720F Oreo Firmware

We have put together a detailed step-by-step instructions guide on how to update Samsung Galaxy A7 (2017) to Android 8.0 XXU3CRD3. 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 A7 (2017) A720F. Please don’t try this on any other variants of the phone.
  • A720FXXU3CRD3 is an official firmware by Samsung for the Galaxy A7 (2017) A720F.
  • Make sure you backup all your data in your phone before proceeding.

Rooting Warning: This is an official Android 8.0 build XXU3CRD3 update for Galaxy A7 (2017) A720F, which means you will lose root as soon as you install this update. You will again have to root Galaxy A7 (2017) to gain full system access and be able to install root apps again. See here: How to Root Galaxy A7 (2017) A720F on XXU3CRD3 Android 8.0 Oreo Official Firmware.

Complete Step-By-Step Instructions:

Step 1 – Download Android 8.0 A720FXXU3CRD3 for Galaxy A7 (2017) to your computer and extract the zip file.

Step 2 – Download Odin which will help you to install Android 8.0 on Samsung Galaxy A7 (2017) A720F.

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.


ODIN Mode - Samsung Galaxy A7 A720F (2017)

Step 4 – Make sure you have your Galaxy A7 (2017) 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.

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