560
Nearly 500 smartphone brands have left the market since 2017
(www.techspot.com)
This is a most excellent place for technology news and articles.
Smartphones have reached a maturity level where upgrades aren't really exciting. Sure there are the usual hardware power upgrades (and even those don't really open up new applications), but in terms of features they're not coming out with anything really novel. Last thing I could think of is bringing back folding which I do find appealing, but not for the cost or the reliability issues.
One of them has to do 3d camera sooner than later. It’s so close… just need another camera at the bottom back of the phone.