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  • If NI Domestic Certificate returns “Invalid” and user believes it should be valid.

If NI Domestic Certificate returns “Invalid” and user believes it should be valid.

Ensure the Domestic 2D barcode is not a screenshot by verifying the in app on screen HSC logo animation changing as the phone is rotated.

Ensure the users device is running the latest COVIDCert NI app

Ensure your COVIDCert Check NI app is up to date.

Ensure that the time matches and is correct on both devices. (i.e same timezone)

Updated: 4 weeks ago Posted: November 3, 2021 9:21 am Share: