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by eddieplan9 4618 days ago
Quite to the contrary, the whole point for iOS to be supported on "old" devices like iPhone 4 is reduce fragmentation: developers can focus on building for the latest iOS using the latest API and generate one binary. For god's sake, you can even target both 32-bit and 64-bit platforms with one build. You only need to deal with "availability of any API" when you hit hardware limit, like features that only work when there is Bluetooth LE or Dual Band Wi-Fi.