Honor 6 and Honor 6 Plus mobile users now upgrade your mobiles to Android M and EMUI 4.0 .Huawei honor was released Android M on 16-02-2016.This Is a OTA update so don't miss these update.Honor provides many new features with android M.Like Screen Recording,Dual Window,App Permissions block,Camera effects and many more.

Just go through these below download link and fill the docs form and submit it.After that you need to open settings -- updates refresh update button.

Download Link : 
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https://docs.google.com/forms/d/1juMLtqTTJCOwoOUrRQj6Z1lS3Q3daPOnXpXOruU10M0/viewform

Android M 6.0 and EMUI 4.0 you get via OTA update .

Android M 6.0 Version : H60L40C675B810

New Features : 
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Screen Recording,Dual Window,Message stop,smooth touch and many more..