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We have an application that must control the ISO and Exposure when capturing images. This has always worked on older iPhone 7 plus and iPhone 8 Plus. We are now finding that on the iPhone X that the Exif data does not report the values we have set. Debugging we see that the AVCaptureDevice being used reports values for ISO and exposureDuration that we set before and after the capture. What has changed in the AVCaptureDevice that must also be set so that newer phones will use the values set with setExposureModeCustom?

I finding I crash when I try to start the NDEF scanning and not sure at this point how the UI should be setup for the NFCNDEFReaderSessionDelegate.