Upvote:3
While it doesnβt specify if it must be fully charged
TSA said:
As the traveling public knows, all electronic devices are screened by security officers. During the security examination, officers may also ask that owners power up some devices, including cell phones. Powerless devices will not be permitted onboard the aircraft. The traveler may also undergo additional screening.
It must at least turn on, so if you buy a new electronic device if it can turn on there should not be a problem, of course as always it depends on the security guard.
But as Gregory says if you bought after the security check there shouldnβt be a problem