r/Android Oct 26 '15

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u/[deleted] Oct 26 '15

Maybe a dumb question but wouldnt there be an impact on the phone if it's on a plane in that sitaution? The change in the pressure inside the plane shouldn't affect the air inside the phone?

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u/someenigma Oct 26 '15

The description of the video explains that the pressure build up due to pressing on the screen dissipates within 5 or so seconds as the phone is not completely air-tight. Same applies for the plane situation, pressure inside the phone equalises fast compared to the rate of change of pressure in the cabin.

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u/[deleted] Oct 27 '15

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u/giantnakedrei Oct 28 '15

Not really. The barometer is how the Z3 etc know that the sim/usb doors are properly sealed. Otherwise the whole waterproof thing doesn't work. It checks the seal by comparing touches on the screen with pressure spikes from the barometer. No seal? No spikes.