He also makes a hand-printed sign with the passenger's name and then drives to the gate of the inbound flight, parking at the bottom of the jet-bridge stairs.

WSJ: The Tarmac Express: A Porsche to the Plane

In essence, Apple cops to the fact there are reception issues with the new iPhone namely, that if you cover the bottom-left corner of the phone and bridge the gap between the notch there with your naked flesh, you could see some signal degradation.

FORBES: Please Remember To Hold Your New iPhone Correctly