The IP67 / 68 certification is an argument increasingly used by hardware manufacturers to showcase their smartphones.  Here are some tips to find your way around this jargon that can sometimes be clear.
When you buy a smartphone, you often look for a good camera, a practical design, a powerful battery, peak performance.  But the lifespan is a factor that adds significant value to the device.  And one of the best ways to judge the durability of a phone is to check "IP" for "International Protection" certifications in advance.

 Apple, Samsung or Sony use these certifications.  Other brands declare with a certain audacity that their smartphones are resistant to water, even waterproof.  But does that mean you can explore the
coral reefs with your iPhone in hand?  Certainly not.  It is important for smartphone users to understand the limits of “IP” certification, and what companies mean when they say a phone is waterproof or water resistant.  Here is in detail what smartphones are capable of doing, beyond the marketing arguments.

 What does IP What does IP mean?

 Let's start with the "IP" certifications.  IP stands for "international protection" or "ingress protection".  It is a rating scale to determine the dust and water resistance of your smartphone.  The IP is always followed by two digits - the first indicates protection against dust and the second against water.

 Let's take an example.  Apple has certified the iPhone 7 and iPhone 7 Plus and its newer models IP67.  The number six means that iPhones are fairly dust resistant, as it is the highest rating on a scale that goes from zero to six.  The second number is seven, which means that iPhones have good water resistance, but cannot be considered waterproof.  The highest number in the entry protection scale is nine.

 IP67 smartphones, like iPhones, can be submerged in water up to 1 meter for up to 30 minutes.  There are many Sony and Samsung phones with higher water resistance: they have IP68 certification.  This means that these phones are dustproof and better water resistant: they support immersion at depths of 1 to 3 meters for 30 minutes.

 Note, however, that you cannot use these phones to take underwater photos.  These certifications simply mean that these smartphones can survive a surprise fall in the pool.  And the higher the numbers after the IP mark, the better the resistance to dust and water.  Currently, the ideal certification for a robust and waterproof smartphone is IP68, like the Samsung Galaxy A8 / A8 +.

 Are all IP68 phones waterproof ?

 It varies from brand to brand.  If a smartphone has an IP68 rating and all of these ports are sealed with rubber tips, and the company mentions that the model is waterproof, there is no doubt about its durability against water or dust.

 However, some brands use the label "water resistant" even with the IP67 / 68 certification. This means that the brands then advise caution when using the smartphone underwater or when hiking.

 To better understand the resistance of your smartphone to water or dust, visit your brand's official website and read the product specifications, especially on the asterisks.

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