Samsung has rolled out the Galaxy S23 December 2023 Update that addresses 75 security flaws, out of which 54 were released by Google and 16 were security flaws related to Exynos. There were a total of 43 fixes marked as high priority. There are no new features or performance improvements in this update. The firmware is available for the Galaxy S23 Series in India. Depending on your region, the update will arrive at different times.

The Android-14-based One UI 6.0 update is available for the Galaxy S23 and will then be rolled out to other devices. The device debuted with Android 14 and will receive four major OS updates. The update is available for all Galaxy S23 Series devices, including Galaxy S23, Galaxy S23+, and Galaxy S23 Plus, with build version S91xBXXS3BWKC.


If your smartphone is eligible for Android 14 and One UI 6, there are a few things you need to keep an eye on before upgrading.

Before upgrading, you should take a complete backup of your device, which you can do using the Smart Switch Program or your Samsung or Google Account. You can also backup WhatsApp messages and media and clear storage space.

Download Samsung Galaxy S23 Plus (SM-S916B) One UI 6 S916BXXS3BWKC | Firmware Build for India
  • Also, charge your device. It should be charged at least 20% to install the update.

Update your Galaxy S23 Plus (SM-S918B) to the December build.

Samsung is rolling out the update via OTA; even the carrier-locked version has received the update. You can check for the new update.

  • Open device settings.
  • Go to Software Update.
  • If an update is available, tap Download and Install to upgrade to the latest version.

Finally, on your smartphone. After that, it will automatically download and prepare to install. Alternatively, you can use the One UI 6 Firmware to sideload on your device.

Download Galaxy S23 Plus Firmware

Alternatively, you can download and manually flash the firmware on your device. The update comes with firmware version S916BXXU3BWJM in the India.

Download Samsung Galaxy S23 Plus (SM-S918B) S918BXXS3BWK5 Ins Firmware | December 2023 Firmware Update

If you prefer a manual update, you can download the official Samsung Firmware from the button below to upgrade your device using a Windows PC.

Note: We strongly recommend waiting for the OTA (Over-the-Air) update to upgrade to the latest version. Only use manual flashing if you are confident about the risks involved. The AndroidGreek Team will not be responsible for any damage caused by using this file.


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To use the OTA update, you will receive a notification. If you missed this notification, you could check for the update by going to Device Settings > Software Update. You will likely find a Download and Install button if your device has received the update.

The device will receive more improvements over the update in the coming months. The device will receive monthly security updates for at least three years, and after that, there will be bi-monthly continuing updates for the next 5 years.

How to Flash your Samsung Galaxy S23 Plus (SM-S918B)

So let’s begin, starting with downloading the latest Odin:

  • First, you need to enable USB Debugging. After that, download Odin. | Read Detailed Guide here.
  • Download the S23 Stock Firmware.
  • Now move Odin and the Firmware into the same folder on your PC.
  • After that, extract both files in the same folder.
  • Next, connect your device to your PC using a USB cable, press Volume Up, and then use the Volume Down + Power button to boot your device into Download Mode.
  • Use the Volume Up button to continue, and your Odin will now show an IDCOM ID with blue, indicating that your device is connected.
  • Now add the firmware by browsing the firmware files into the designated slot, like AP in AP, BL in BL, CP in CP, and HOME_CSC in CSC.
  • Don’t tick any other option in the options; the only option you need to beat is F. Rest time and Auto-Reboot in the opportunity.
  • Click on Start, and it will begin flashing.
  • That’s it!

It takes some time to load. After it finishes, click “Start,” and it will begin flashing. Your device will now start Installing the firmware. Many stock apps also get updates, and you can update your device apps from Google Play Store and Samsung’s Galaxy Store to access update selection accordingly.


There might be one more minor software update before getting One UI 6.1, which is likely to debut with the Galaxy S24 Series next month. The December update brings the security patch, while everything else remains the same as the previous version of Android 14. Please wait for future updates, as they may address the issues you are facing in One UI 6.0. Do not expect any major improvements or new features.