> There is no limit on how long the devices can be held but the agency said the policy was to keep devices for no longer than 14 days unless it took longer to examine them.

They could make the argument that they aren't finished examining the phone until they find a way to unlock it.

Right. So they don't give you back your phone. You may get it a couple of weeks later. Very convenient for your trip.

... and they're doing it for purely punitive reasons. We all know they're not "examining" the phones in any meaningful way. It's too expensive and failure-prone.