Samsung Galaxy S5
New Samsung Galaxy S5 smartphones are seen on a display at the Mobile World Congress in BarcelonaReuters / Albert Gea

Samsung has reportedly begun rolling out the Android v6.0.1 Marshmallow update to the 2014 flagship Galaxy S5. 

As of now, the new Android mobile OS (build number: G900LKLU1CPC3) update has been deployed to LG Uplus' carrier network-based Galaxy S5 (SM-G900L) models in South Korea, SamMobile reported.

To check for OTA (Over-The-Air) update notification on the Android phone, 

Go to Settings >> About phone >> System updates

The OTA update roll-out process is conducted in stages. So, it will take some time to reach all regions.

Going by the previous release pattern, the company is expected to expand the roll-out process in other Asian regions by the end of April.

The new Android M comes with Doze, improved "Now on Tap" search option, more shortcuts, enhanced boot security system, performance tweaks and many more.

Also read: Google Android 6.0 Marshmallow: 7 key features you need to know

So far, Samsung has released the Android Marshmallow update to Galaxy S6, S6 Edge, S6 Edge+, Galaxy Note 5 in select markets. 

Also read: Android Marshmallow: List of Smartphones Expected to Get Google's 6.0 OS [Update]

Other Samsung devices which are expected to receive the update include Galaxy Alpha, Galaxy A8 (2015), A7 (2015), A9 (2016), A7 (2016), A5 (2016) and A3 (2016).