Top 5 Waterproof Smartphones by Screen Size

Sony Xperia z ultra  has the biggest screen with 6.4 inches, while .Experia Zs with 5.4 inches are the two most highest selling waterproof phones within the 5 to 7 inches screen size
Experian Z , Galaxy s4 Active along with ,Xperia Z 1 have all 5 inches screen.The Experia Z1 compact has a 4.3 inches waterproof screen