Natalia explains that Nokia gets what Apple gives to customers for free:
Upgrades. iOS upgrades. The latest iOS– 13– is due in a few weeks and already, more than a billion of Apple’s customers have upgraded to the latest version, iOS 12.x That is an upgrade path that Android’s great unwashed masses of customers just never see. Android’s latest– the one before Android Quiche Android 10, has an installed user base of barely 10-percent.