Join Date: May 2005
Location: various cities in the USofA: NYC, BWI, IAH, ORD, CVG, NYC
Programs: Former UA 1K, National Exec. Elite
Posts: 5,485
Invalid Sig
Got PreCheck (verified beforehand using PDF barcode reader).
Scan BP: get error about "Invalid Sig". I guess that means the hash didn't match... hmmm.
Scan the mobile BP (quite a PITA when using an iPad) and it works.