News by Andrew Kameka on Wednesday February 26, 2014.
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There's a tendency to confuse water resistance with waterproof. We call our smartphones waterproof when they can survive in water, but there are limits for how much devices can take. That's the hard lesson that Archos showed when it attempted to demo a smartphone and destroyed it in the process.
Archos CEO Loic Poirier demonstrated the durability of its Quechua phone on camera and dunked the device in a water container. What Poirier failed to realize is that the device has only an IP54 rating, meaning it is designed to repel water that is splashed onto its surface. When the CEO pulled the phone out of the water, it didn't work.
Most of the ?waterproof? devices you own are really just water resistant and can only be submerged for up to 30 minutes. Others aren't meant to be submerged at all, as we learned from our friends at Archos. You can tell the difference by the Ingress Protection (IP) code listed on the device. IP ratings reflect the water survival capabilities in the second numeral. In simpler terms, IP54 means a device has level 5 resistance to dust and Level 4 resistance to water. An IP54 rating means the phone will do well against dust, but it can only with stand splashing water without having any harmful effects. A phone needs the second numeral to be at least 7 to be submerged in water and not run the risk of serious damage. Learn more about IP ratings charts here.
Poirier made the mistake of thinking water resistant is waterproof, a problem that cost him great embarrassment and a prototype device. That's why a phone like the Sony Xperia Z2 (IP58) can be held in 1 meter (3.3 feet) of water for up to 30 minutes and still be operational. Try that with a phone with IP56 or lower for too long and your smartphone won't be so smart.via: Android Police
Andrew is MobileBurn.com's managing editor. He is based in Miami, Florida.