In 2011, an iPhone 4 fell out of a skydiver’s pocket and fell ~13500 ft, landing on top of the building a half mile away. The iPhone was still able to be located via it’s GPS signal as well as receive phone calls. – WTF Fun Facts
Source: https://www.engadget.com/2011-07-23-iphone-survives-13-500-foot-fall-from-skydivers-pocket.html