GSMDome.com reviews the Sony Xperia Z5 handset, a smartphone priced at $500 and sporting a 23 megapixel camera at the back. It's waterproof and dust proof and comes with a Snadpragon 810 CPU, 3 GB of RAM, 32 GB of storage and a 2900 mAh battery. The handset packs a 5.2 inch Full HD screen and runs Android Marshmallow, following an update.