1. Carrier Aggregation,
2. Screen Recorder,
3. Good Lock modules,
4. Edge Lighting,
5. 60HZ panel emulation via software
The above recommended updates can be done through an software update which will bolster Samsungs image in its fan base there by we can recommend it's future products to others via word of mouth propaganda. It is a or can be a win win situation for both the company and end users like us.
Rather going with cheap Chinese phones which does not keep its products integrity but just advertise its or their specifications.
Because in the end something better is good than being nothing as Samsung already proved that it's quality cannot be beaten by those Chinese OEMs so if Samsung does the above updates its image will be even more increased.