The two phones will spread beyond the 11 countries and regions where they're currently available to the likes of Italy, Russia, Spain, Sweden, Thailand, and many more.
Mozilla CEO says that the Firefox Mobile OS will be available this summer in Venezuela, Poland, Brazil, Portugal, and Spain.
Firefox OS is coming to five countries in June, but Mozilla revals the UK and US aren't among them.
Partners backing the browser-based mobile operating system include phone maker LG Electronics and 18 mobile network operators across the world. The first phones are due in the second quarter.
Because of a German company's alleged ownership of the word "memory" in game titles, Apple is telling developers of certain iOS games to change their apps' names or risk having them removed, says a report.
The Spanish company's new Firefox OS phone will include a "high-performance processor" and can run Google's Android operating system, too. The company hints it could use an Intel processor.
Sure, the high-end smartphone market is stuffed with iOS and Android, but demand for low-cost phones gives Mozilla and its browser-based OS a chance to chow down.
Apple's blockbuster product will expand to another nine countries the following week.
Among additions to the new browser-based OS are support for MMS, keyboard autocorrect, and a home screen that makes it easier to find apps. Also new: broader carrier plans for Firefox OS.
As Apple begins to sort out its supply issues for the iPhone 5, it is widening the availability of its blockbuster smartphone.