The HTC Desire Eye smartphone, which was launched last year November 2014, will get the Marshmallow update sometime later this year. This was revealed by famous and reliable leaker @LlabTooFeR , who said the device will be updated to Android 6.0.1.
HTC Desire Eye will not only be updated to Android Marshmallow but will also include version 7.0 of the Taiwanese company's Sense UI. The Desire Eye currently runs Android Lollipop with Sense 6.0 UI.