Do I need a specific OS version? June 03, 2019 23:47 Updated In order to use a virtual card, you’ll need iOS version 12.3 or watchOS 5.2.1. More on how to install the latest iOS Software Update Related articles I already have a plastic Hop card. Can I add that card to my iPhone or Apple Watch? Does this work with my Apple Watch? What if my battery dies? Will I still be able to ride? Would a fare inspector give me a citation? Can I move a virtual card to a different iPhone or Watch? Do I need to download an app?