As of 2015, some waterproof cellphones are the Sony Xperia Z3, Samsung Galaxy S6 Active, HTC Desire Eye and Kyocera Brigadier. The Sony Xperia Z3 has an aluminium unibody frame with tempered glass that is compliant with the IP65 specification. With its ports closed, this phone is waterproof.
With the USB port covered, the Samsung Galaxy S6 Active has a rugged design that is waterproof. It is compliant with the IP68 specification and is waterproof for up to 30 minutes at up to 1.5 meters of water.
The HTC Desire Eye is waterproof for up to 30 minutes at a water depth of 1 meter. It is compliant with the IPX7 specification.