People are relying on video chat apps to stay in touch like never before, so it isn’t the best time for a bug that prevents Apple users making FaceTime calls to those on older devices.

Some users are complaining that the iOS 13.4 and macOS 10.15.4 updates have rendered them unable to connect with pals and family members with devices running iOS 9.3.5 or iOS 9.3.6.
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