• A user tests the functionality and features of Samsung Galaxy Note 4 before buying it.

A user tests the functionality and features of Samsung Galaxy Note 4 before buying it. (Photo : YouTube/Marques Brownlee)

Android 6.0.1 Marshmallow has finally started rolling out to Samsung's 2014 flagship model - Samsung Galaxy S5. The Marshmallow upgrade, which was also available to Samsung's older devices such as Galaxy Note 4 and Galaxy Note Edge, was first made available to South Korean users, but is now seeding to Galaxy S5 users worldwide.

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According to Ubergizmo, right after Android 6.0.1 Marshmallow was released to South Korea, Galaxy S5 users, with SM-G900L model number, in Tobago and Trinidad followed suit, receiving G900MUBU1CPC3 update to their Samsung devices. U.S. users of Samsung Galaxy S5, meanwhile, will receive the much talked about Android Marshmallow update within this month, via leading carriers such as T-Mobile, Sprint, US Cellular, AT&T and Verizon Wireless.

Galaxy S5 users can either update their smartphones to the latest Android OS via manual upgrade or OTA. Over-the-air update notification normally shows up automatically, but if users wanted to update the other way around, then they will need to manually check the update by going to About Phone > System updates > Check for update.

Before going through with the update, it is advisable for Samsung Galaxy S5 users to switch over to WiFi rather than using their data connection, as the Marshmallow update have a whooping size of 1.47GB. Although the said update is not a major one, the contributing factor why the file size is enormous is due to the added features it possessed.

Some of the new features Android M, also known as Android 6.0.1, Android Marshmallow or simply Marshmallow, will bring is the addition of Google Now on Tap, Doze mode, revamped app permissions, new fingerprint APIs for developers and Android Pay, just to name a few, Gadgets 360 reported. The Marshmallow upgrade will also bring the latest security patch update.

In the U.S., telco companies have also officially rolled out Android 6.0.1 Marshmallow to selected Samsung Galaxy series smartphones, while some are still running tests on the upgrade. According to rumors, both AT&T and T-Mobile are still testing the update, while their competitors are already seeding the update to their consumers.

As of this writing, Sprint's Samsung Galaxy Note 4 and Galaxy Note 5 devices can now be upgraded to Android Marshmallow, while Verizon Wireless' Galaxy Note 5 users can now avail the software update.

Watch Samsung Galaxy S5 review video below: