[gnur]

They could easily make the device accept 10 or even 20 devices at a time, with a simple LED on for each indication progress. Just check up once an hour and move done iPhones to the done stack and place todo iPhones in the device. Set it up on route to the toilet or next to the coffee machine and it's next to effortless.

[bertil]

But there would be no clear way to tell which box was done, so you rely on proper inventory—or even when updating, to tell when it’s done, presumably.