"An issue not mentioned in the research note is the rising cost of features people don't want."
and
"Manufacturers are spending more and more for less and less gain."
1, Bring back the earphone jack.
2. Retina displays - are these really neccessary?
3. Just glom a good camera onto it, we really don't need fancy poofty gimmickry stuff such as slo-mo, or dual camera whatnots. Heck, I use my camera so seldom.
4. Bigger is not always better. Except for the battery.
5. Thin phones are so overrated like a wet, stinky fart.
6. Try to glom less bloatware on the phone itself.
7. Allow the customer to customize the phone the way he/she/it wants. Not what you want the customer to have, what the customer wants. End of story.