Ahead are complete steps that help to update Samsung Galaxy S9 and Galaxy S9+ to official December 2018 Android 8.0 Oreo firmware. It is unfortunate that there is no official Android Pie update out however, the brand is committed in providing a reliable and hassle-free upgrade so it is taking its time by testing everything before hand through Beta tests. If you are looking to try out Samsung’s test Pie Beta firmware, we have covered a complete how-to for Galaxy S9 and Galaxy S9+ here. Nonetheless, till you wait for the new stable upgrade to arrive, we recommend you use this tutorial to update your Galaxy S9 / S9+ to December 2018 firmware which carries improvements, bug-fixes and other changes.
If you had previously root-ed your device or you were running a custom ROM, this guide also doubles up to show how to unroot and get back to stock firmware. Regardless whether you are updating from official firmware or from a custom one, steps ahead will work in both scenarios. However, for users with custom system modifications, make sure you factory reset before installation of December 2018 firmware for a clean install. Further, as with any system modification, we recommend you backup all your user data from your phone and maintain a complete backup of all apps and data.
Disclaimer: Please use this guide at your own risk. We, at TeamAndroid, would not be held responsible if you brick or generally mess up with your device. Further, the firmwares, system files or apps used are property of their respective owners.
December 2018 Android 8.0 Firmware Details:
As discussed, this specific build comes equipped with December’s security patch. Apart from that, there aren’t any major changes listed but we do expect improvements related to performance.
This firmware tutorial applies to both Samsung Galaxy S9 and Galaxy S9+. The specific model numbers supported through this guide are mentioned ahead.
- Samsung Galaxy S9 G960F
- Samsung Galaxy S9+ G965F
To make sure you own the correct Samsung Galaxy S9 model / variant, go to Settings > About phone > Model number. Also, you can consult our Galaxy S9 / S9+ Model Numbers and Variants article.
You might find these following Galaxy S9 / S9+ related articles interesting:
- USB Drivers: Samsung Galaxy S9 Drivers and How to Connect with Computer.
- Recovery Mode: How to Access Recovery Mode on the Samsung Galaxy S9.
- Install Android Pie: How to Install Android 9.0 Pie on Computer.
- Install One UI: How to Install Android Pie Beta on Galaxy S9 / S9+
- Custom ROMs: For a complete collection of Samsung Galaxy S9 / S9+ custom ROMs, click here!
If you plan on rooting this phone or are still confused for why to root Galaxy S9, read: Benefits of Rooting Your Android Device.
Samsung Galaxy S9 / S9+ 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 S9 / S9+ properly. If not, you can download the latest official drivers from our Android USB Drivers section here:
All set and ready? Good. You can now continue reading below and update Galaxy S9 / S9+ to Android 8.0 December 2018 official firmware update.
How to Install December 2018 Android 8.0 on Galaxy S9 / S9+
Ahead, we have a detailed step-by-step procedure through which you can update Samsung Galaxy S9 / S9+ to Android 8.0 December 2018 build. The firmware is an official one signed by Samsung and we will utilize latest ODIN to flash it onto Galaxy S9 / S9+.
Please read every line carefully and make sure you read the tutorial once before actually performing on your device.
- This tutorial is only for Samsung Galaxy S9 / S9+. Please don’t try this on any other variants of the phone.
- Firmwares used in this post are official releases by Samsung for the Galaxy S9 / S9+.
- Make sure you backup all your data in your phone before proceeding.
Complete Step-By-Step Instructions:
Step 1 – Download December 2018 Android 8.0 update from the following links for your specific Galaxy S9 / S9+ model to your computer and extract the zip file.
Step 2 – Download Odin which will help you to install December 2018 update on Samsung Galaxy S9 / S9+.
Step 3 – Switch OFF your phone. Now go to Download Mode. How? Press and hold the Volume Down + Bixby buttons together, and then press the Power button till you see the construction Android robot and a triangle. Press Power again to confirm to enter into Download Mode. Read: How to Enter Download Mode on Galaxy S9 / S9+.
Step 4 – Make sure you have your Galaxy S9 USB drivers installed on your computer.