I’ve finished an all-around water test for my Samsung Galaxy S9.
Floatable IP68 Waterproof Bag is recommended if you go swimming with this phone. https://www.witrigs.com/floatable-ip68-waterproof-bag-for-smartphones-blue
It is officially announced that Samsung Galaxy S9 is IP68 waterproof. Is it true? There are two ports that water is most likely slip inside the phone: charging port and SIM card port. So, I made a water test on these 2 ports. And I found that the running water didn’t enter the phone. In the immersion test, my Samsung Galaxy S9 stayed in the water for 5 minutes, and I found that the touchscreen was disabled while the phone is under the water. So, we cannot take pictures or shoot videos underwater. However, the face ID and screenshot is working underwater. In the IP68 Water Test, I try my Samsung Galaxy S9 in 1.5-meter water for 15 minutes. The device is still working normally after all these tests.
And I even shot a video underwater. We can shoot video underwater, no worry about water damage. Huawei Mate 10 Pro is awesome!
My suggestion is: Samsung Galaxy S9 is IP67 water resistant. We can use the Samsung Galaxy S9 in the swimming pool but don’t put the phone in water deeper than 1 meter and pay attention to the SIM card slot where is the weakest against water.
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