Apple market share can still grow in established markets (what percentage of laptops are macs, what percentage of phones are ios).
Emerging markets; China, India, Africa can still grow for Apple.
And then of course they can innovate; find new product categories, services ...
Indian market for Apple has been shrinking because of the ridiculous prices for Apple charges in India. Samsung, One Plus and others now dominate there.
Apple market share can still grow in established markets (what percentage of laptops are macs, what percentage of phones are ios).
Emerging markets; China, India, Africa can still grow for Apple.
And then of course they can innovate; find new product categories, services ...