It might be a 48MP sensor that produces 12MP readout after pixel binning. That's how the sensors on the Sony Xperia 1 work. Does Apple use Sony sensors? I vague

It might be a 48MP sensor that produces 12MP readout after pixel binning. That's how the sensors on the Sony Xperia 1 work. Does Apple use Sony sensors? I vaguely remember that being a thing.