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.
Moto?
Motorola lost my business when they sold me a phone and then provided a grand total of ONE OS upgrade its entire life (Moto G LTE, shipped with an outdated 4.4 build, and then got a single update to 5.1 before being abandoned forever).
There is no potential for brand loyalty when the brand themselves tell their own customers to fuck off.