Water-resistance is such an excellent feature in high-end smartphones; it has become a necessity now, whether you’re accident prone or just a bit anxious. It can put your mind at rest knowing your new expensive smart phone can survive a dunk in the pool or a spilled drink at the pub.

Thankfully, a growing number of water resistance phones with great cameras and solid features are now available, so you can have a superb device that will survive being submerged.
What Does the Water Resistant IP Rating Mean?

IP stands for “Ingress Protection” and is used to define the sealing effectiveness of electrical enclosures against intrusion from foreign bodies and moisture.

The first number refers to how the device sealed against solid particles like dust; the highest you can get is “6” meaning total protection. The second digit is for water protection and the best you’ll see on most is ‘8’, going by the original IEC standard 60529(6K and 9K are not part of this).

It’s worth noting that rating water ingress are not cumulative beyond 6, so a device with a rating of 7 doesn’t have to complaint with the water jet element of 5 and 6.

If an IP rating has an X in it, don’t misinterpret this as the device having no protection. It’s likely to have good protection for particles if it’s IPX6, but the rating has not been formally allocated.

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