So, with Android 6.0 (also known as Android M or Marshmallow) happening on many flagship smartphones like Samsung and HTC, it has definitely come to LG.  However, it hasn't come to all of LG's devices yet, but it really is just a matter of time.  Here is the latest news about Android M Version 6.0 Marshmallow for LG G4, G3, G4 Stylo, V10, and G Flex 2 for US Cellular, T-Mobile, AT&T, Sprint, and Verizon. 

The LG G4 is pretty much "through" as far as getting its Android upgrade.  Sprint was the first to get it to their users, followed by US Cellular, and then T-Mobile afterward.  Verizon has now received it, and surely AT&T is to follow.  It should be out to users in any part of the world, but some might face delays due to "carrier-related" issues. 

As for the LG G3, Verizon has upgraded that phone, and it is only probably only a matter of time before it reaches the other US Carriers such as AT&T, T-Mobile, US Cellular, and Sprint.  The international variant is reported to start rolling out in March.  A report from Know Your Mobile states that the open source code was published online last December, so it will skip version 5.1 and go straight to Android 6.0. 

As for other handsets, it has been reported on Yibada that Android Marshmallow will roll out on March 10 for the LG V10.  The release of Android M on the LG G Flex 2 and LG G Stylo is also going to happen.  It is believed that the G Flex 2 will be receiving the Android upgrade this month, but the exact date has not been revealed just yet.  The same applies for the LG G Stylo, which just received its upgraded to Android Lollipop last February.  Tech Radar reports that the LG G4 Pro might even launch on Android Marshmallow when it arrives. 

By the way, the LG G2 is planned on getting Android Marshmallow as well, but considering that phone is three years old, that is quite surprising.  It would be smart to assume that it will be coming later than sooner. 

It has been reported on Pocket-Lint that LG will officially confirm and publish an upgrade schedule soon.  It is possible that users of certain LG devices might have it available already, so they are encouraged to check their "Settings" and "System Update".  Then there is an issue of carriers, as certain U.S. carriers like Verizon, Sprint, AT&T, US Cellular, and T-Mobile might receive the upgrade first.