For the most part, the answer seems to be “no.” While the nature of an Android ecosystem — with its hundreds of manufacturers, all using different chips and software layers — makes a comprehensive investigation difficult, there’s evidence to suggest that Android vendors are not slowing down older phones because of old …
Does Samsung slow down older phones?
Samsung confirm they do not slow down phones with older batteries. A tactic that Apple has admitted it uses on some iPhones with aging batteries to prevent them from unexpected shutdowns. Bolorunduro Timothy, An android phone blogger for quite a while now.
Why do old Android phones slow down?
According to Mike Gikas, who has covered and tested smartphones for more than a dozen years, “The main reason why phones slow down over time is that operating-system updates often leave older hardware behind. Companies also update apps to take advantage of faster processing speeds and more efficient architectures.”