A lot of our customers experienced failed App attest and always return error "DCErrorInvalidKey 3" invalidKey error on these iOS versions:
16.7.2 - iPhone 8
17.1.1, 17.1.2 - iPhone X, iPhone XS, iPhone XR, iPhone SE 2. iPhone 12, iPhone 12 Pro, iPhone 12 Pro Ma
mjred
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
From
Norway