It’s been over 6 months since Google released Android 8.0 Oreo. Many OEMs have already released stable Android Oreo updates for their devices, but the big brand Samsung kept its users on a long wait, though the Galaxy S8 and Note 8 recently updated to Oreo. New reports show that Samsung undergoing beta testing Oreo on Galaxy S7 and S7 edge, but there have been no official confirmation about the stable OTA update.
Samsung Galaxy S7 and S7 edge owners who are excited to test the Android 8.0 Oreo based Experience 9.0 UI on their device, there is good news. Pre-release version of Android 8.0 Oreo firmware download is available for AT&T Galaxy S7 (SM-G930A) and S7 Edge (SM-G935A) that tech-savvy users can install on their device.
Since this is the pre-release version of the Oreo firmware, it might be quite unstable, so we do not recommend installing this update your prime phone. If you really want to test the build on your device, then here is how to install the update.
Below firmware file is for AT&T Galaxy S7 SM-G930A and Galaxy S7 Edge SM-G935A variants only. Do not install it on other variants. Also, this is not Odin flashable file, so your device should be on the latest build to install the update.
How to Install Oreo update (pre-release version) on AT&T S7 and S7 Edge
2. Save the downloaded file on your phone’s SD card.
3. Boot into stock recovery (press and hold Volume up + Home + Power buttons).
4. In Recovery, select “Apply update from SD card” (use Volume up/down keys), locate the ‘update.zip’ file and select it using Power button.
5. Wait until the installation process completes, and your phone will reboot into Oreo.
Note: If you want to return back to your previous version of the firmware, you can do that via Odin. Download firmware for your device using any of this method and you may follow this installation instruction. If you want more information about this build, you may visit this XDA post.