Maybe its just anecdotal but it seems that in previous eras attempts at #opensource mobile, #linuxmobile etc were targeting low end devices, whereas now they seem to be targeting the latest "mainstream".
The most extreme low end effort was maybe the #firefoxos ZTE devices, cute little plasticky things.
The difference can be quite material (> 500 versus < 200 in some monetary units).
No idea what best strategy to reach mass adoption but maybe chasing the giant phone selfie crowd is not it? 馃ぃ