Appsflyer - My link isn't working as I expected

What issue are you experiencing?

Testing the link on a device that does not have the app installedTesting the link on a device that already has the app installedRegardless of whether my app is installed or not, the link doesn't work at allWhen posting my link in social posts, whatsapp, or imessage, etc. the image and description preview is not what I expectDid none of the above apply to your case?