The Samsung Galaxy S5 is announced to be up and ready for the Android 6.0 Marshmallow upgrade in April 2016. Other reports suggest that it might come earlier, just like how the flagship devices announced an earlier rollout that is due in December 2015.

Android 6.0 Marshmallow is slated to hit the Galaxy S5 models as early as April next year, the news comes from a British website. According to Times News, the 2014 flagship device of Samsung is now coming close to the upgrade, since different models have been updated with the Android 5.1.1 Lollipop.

Unlocked and retail versions are certain for the April 2016 rollout of the Marshmallow software. While locked versions will still have to wait upon the cue of the mobile carrier.

For now, Galaxy S5 with model number SM-G900G is currently "waiting for approval." Its successors, the Galaxy S6, Galaxy S6 Edge, Galaxy S6 Edge+, as well as Galaxy Note 5 and Galaxy Note 4, are all approved for the upgrade to Marshmallow and will get it earlier than S5.

Other devices on the approval waiting list include the Galaxy ALPHA, Galaxy Tab S2, Galaxy A8, Galaxy A7, Galaxy A5, Galaxy A3, Galaxy E7 and Galaxy E5, among others.

Meanwhile, other Galaxy S5 devices up for the upgrade have the following model numbers and corresponding software versions:

Android 6.0 Marshmallow software brings in the new power-saving feature called 'Doze' and many more improvements.