If your QR Code/Magic Link has expired, you will need to re-generate the QR Code or Magic Link on your parent app to re-connect your devices. Once regenerated, you can scan the QR code with your child’s device or send them a link that will sign them in instantly.
If you have any difficulties with the onboarding process, you can find a detailed step-by-step guide here. Alternatively, you can always contact our customer support team here to get help.