In Pictures: 10 smartphones that caught our eye at...
Mozilla debuted its Firefox OS at the 2013 Mobile World Congress. This year it was back, with a Firefox OS-powered phone that costs about as much as a pair of movie tickets. Not only did Mozilla announce its $25 phone, it also introduced several new hardware partners, including ZTE and Huawei, the latter of which is shown here with the latest version of the Firefox OS.
In Pictures: 10 smartphones that caught our eye at Mobile World Congress