Gotta Be Mobile | Fujitsu Arrows Waterproof Android Smartphone Hands-On Gotta Be Mobile You can submerge the Fujitsu Arrows Waterproof Android Smartphone under water for up to 30 minutes at about 5 feet deep. So if your phone slips out of the pocket into a puddle or the stall as you … you know …, then it won't stop running. ... Fujitsu ARROWS ES IS12F Now Available, Comes With 6.7mm Chassis CES 2012: The world's thinnest smartphones battle it out, hands-on videos CES: Fujitsu Quad-Core Android Smartphone Announced |