HTC 10 has IP53 certification: lightly protected from elements, but don't take it in the shower
So no, don't take your new HTC 10 in the shower and be careful not to drop it in the dirt. In this regard, there is no comparison between fully water sealed devices like the new Samsung Galaxy S7 / S7 Edge and the HTC 10.
In terms of IP certification, the HTC 10 clears the IP53 standard, which means it is only lightly protected from the elements. Here is the official meaning behind those numbers:
- 5 Dust Protected Ingress of dust is not entirely prevented, but it must not enter in sufficient quantity to interfere with the satisfactory operation of the equipment; complete protection against contact.
- 3 Spraying water Water falling as a spray at any angle up to 60° from the vertical shall have no harmful effect.
This means that a light steam of water (not a direct spray to it) should still be okay, but anything above could damage the phone. Something to keep in mind.
source: Jeff Gordon on Twitter
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Things that are NOT allowed: