Originally Posted by
ralfp
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.
I've had this problem with mobile BPs at MCI. Usually the details show after a moment or two. If not, the clerk will rescan the BP and it will work.