The company HTC has provided its list of devices that will be updated to the latest version Android 6.0 Marshmallow:
As you can see from the above picture, the flagships HTC One M9 and HTC One M8 will be updated first by the end of this year. In addition, the following models will be 'updated' to the latest version:
- HTC One M9 +
- HTC One E9 +
- HTC One E9
- HTC One ME
- HTC One E8
- HTC One M8 EYE
- HTC Butterfly 3
- HTC Desire 826
- HTC Desire 820
- HTC Desire 816