From iPhone 12 you can easily swap the reader with a dual sim reader to have dual physical sim instead of esim on board. I did personally the change and iOS recognised immediately the reader without any issue on my iPhone 13
iPhone 13 SIM 卡读卡器更换
From iPhone 12 you can easily swap the reader with a dual sim reader to have dual physical sim instead of esim on board. I did personally the change and iOS recognised immediately the reader without any issue on my iPhone 13