Mine, too! Took a while to do the 16.1 update and iPad to iPad transfer but all worked without flaw. All I had to do was re-enter the 3 digit security code on my 5 credit/debit cards. Like it made an exact duplicate of my last year 5th generation iPad Pro.
Don’t forget to change the name of you device under settings/About.
Don’t forget to change the name of you device under settings/About.