They say a drop of rain never hurt anyone, and that's certainly true when it comes to these waterproof smartphones. Whether you need to send a tweet in the bath or take a photo in the pool, these phones will be on hand to help out.
IP ratings are a way of measuring how resistant a device is against water and dust. The Sony Xperia Z3 is rated as IP68. The first number refers to the protection against dust and sand – 6 is the best you can get, and means it’s dust-tight. The second number is about water resistance. 8 means it can go under water up to 1.5m for 30 minutes, which is the highest water-resistance score a smartphone can get.
Yes, but it helps if you launch the camera beforehand. Xperia models all have dedicated shutter buttons on them, because using the touchscreen underwater can be a bit tricky.
You can, but we wouldn't advise rushing into the ocean with it. They're generally designed to work in fresh water, but if your phone does go in salt water, wash it down with clean water as soon as possible.