Japanese telecoms firm NTT DoCoMo has released a new smartphone developed by Fujistu that incorporates iris recognition technology.NTT DoCoMo says that the Arrows NX F-04G, unveiled Wednesday in Tokyo, is the first commercially available phone featuring iris authentication, although a number of competitors are working on the technology.The phone's specifications are in line with the mobile authentication standards developed by the by the FIDO (Fast IDentity Online) Alliance, which is supported by Microsoft, Google, PayPal and others.A prototype of the phone with an iris scanner was demonstrated at Mobile World Congress in March.Users must first register their iris pattern by staring into two animated circles in an app. The pattern is stored in the phone itself. To unlock it, users can hold the phone up and look at it, as if browsing a webpage, and it will authenticate them. Authorizing mobile payments is also done with a quick glance at the animated circles.The Fujitsu prototype incorporated a high-speed, high-accuracy iris recognition algorithm developed by California-based Delta ID. Fujitsu said the error rate for the prototype is about one in 100,000.The a 5.2-inch WQHD display and weighing 155 grams. It also has a 21.5-megapixel main camera and 2.4-megapixel secondary camera, NFC capability and a 3,120 mAh battery. It's capable of 225Mbps downloads.