Sony Xperia Z as Underwater Camera

Sony says the Xperia Z is rated IP55 and IP57 for water and dust resistance, that means the device can be submerged in water of up to a metre deep for up to 30 minutes. So we decided to test the Xperia Z to the limit and the video you see here is the result. We used the Xperia Z as an underwater camera and at times, left it submerged in 1.5 metre deep water for 5 - 10 minutes. We flung the phone in the air 15-20 feet high and left it to plummet into the swimming pool unhindered. We used the Xp