iOS software
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Quick-fire questions
Can I use Contact Key Verification with iPadOS 16?
> The most stringent requirement for using Contact Key Verification with Messages is that all your Macs and devices must be running at least macOS 14.2, iPadOS 17.2, iOS 17.2 or watchOS 10.2.
If you want to use it, then you’ll need to sign out from iMessage on that iPad before you can enable the service on the rest.