Looks like Samsung is not done with the Android 11 OS update and is going on updating their devices nonstop. Yes, recently Samsung pushed the update to Galaxy M30 along with Galaxy Note 10 series, now we have two more devices receiving the Android 11 OS update.
As per the source, Samsung has now begun rolling out the Android 11 OS update based on One UI 3.0 on top of Galaxy M30s & Galaxy M31s. Yes, two new Galaxy M series devices being added to the Android 11 OS list. Do note that the update is live for Galaxy M30s users in India. The Galaxy M31s update is live for Ukraine and Russia as of now and might expand to other countries.
The new firmware on Galaxy M30s comes with firmware version M307FXXU4CUAG and weighs over 2GB in size. The Galaxy M31s update comes with firmware version M317FXXU2CUB1 which also brings the latest Feb 2021 security patch.
The new One UI 3.0 update will bring some interesting features like a dedicated conversations section on the notification panel. It also includes chat bubbles and media controls too.