As reported by many users, it seems that HTC One M8 Eye is receiving Android 6.0 Marshmallow in India.
As we see in images, update will roll-out in two parts. In first part update weighs 119.7 MB and software number is 4.30.720.8. Second update weighs large 1.07 GB download and software number is 5.07.720.1.
Android 6.0 Marshmallow comes with new features like App permission, Google Now on Tap, smart power management, Doze as well. You can see full Android 6.0 update eligible devices list & update release dates & features By clicking here.
So have you updated HTC One M8 Eye to Android 6.0? Comments below.