Hi Nabob, I too am interested in water protection for my phones. At the moment what I know is the company Liquipel waterproofs the Z10 and Q10. I am waiting to see if they offer protection for the Z30. What they do is coat the internals of the device. It is not a case. You can check them out at
www.liquipel.com.
Now for an outter waterproof case, I have found Krusell cases. They offer universal waterproof cases. They offer a 3XL case but from what I feel through a little homework was that the Z30 will not fit well, if at all. I have sent them a request for a new larger case that will universally house the more common 5" devices on the market today. I suggest you, well everyone that see's this for that matter, to visit both sites to let the manufacturers know that there is a market for BlackBerry devices. And in this case, more specifically, the Z30.
Www.krusellcases.com. FYI, on the contacts page, you will find many contact info for various countries. Find the info/email link that applies to you.
Hope this info helps everyone.
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