The latest software version contains build number M315FXXU2BUC1 and has around 1GB of download size.
According to a report by SamMobile, the update, the Galaxy M31 is receiving some camera improvements, performance tweaks, bug fixes and more.
One UI 3.1 update for Galaxy M31 will also bring features like improved UI, new Notification panel, improved clock app, ability to remove location tags before sharing an image and more.
Galaxy M31 users can also check for the update manually by heading to Settings > Software Update and tapping on the Download and Install button.
It is expected that the company will soon start rolling out the update for Galaxy M31 in other regions as well.
The Samsung Galaxy M31 was originally launched with Android 10 operating system and it was updated by the company to One UI 3.0 based on Android 11 earlier this year.
In terms of specs, the Galaxy M31 is powered by Exynos 9611 SoC paired with up to 6GB RAM and 128G storage. The Galaxy M31 features a 6.4-inch Super AMOLED Infinity-U display with 2340×1080 pixels FHD resolution.
The smartphone is equipped with a 64MP quad rear camera setup and is backed by a 6000mAh battery.