Meh, I don't buy it. A colleague had his phone put in the plane's hold by airport security without being allowed to turn it off. Landed with a whole bunch of "W

Meh, I don't buy it. A colleague had his phone put in the plane's hold by airport security without being allowed to turn it off. Landed with a whole bunch of "Welcome to <country>!" texts. So not only can you get non-zero reception in flight (maybe only on lower flight levels?), but also it clearly doesn't bother the plane or cause phones to explode (else airport security wouldn't do it).