LG has unveiled its first Firefox-powered smartphone called the "Fireweb," which was launched in Brazil under Telefonica Vivo's network Tuesday, followed by other parts of Latin America.

Firefox mobile operating system is new and hard to adapt to compared to Android, iOS, and Windows Phone, but it can be a good choice for those who are looking for decent specifications and something unique in the market. LG has joined ZTE and Alcatel in bringing the company's very first Firefox OS smartphone. The LG Fireweb will be launched in Brazil via Telefonica Vivo and will soon hit the markets in Mexico, Peru and Uruguay.

The Fireweb is built as an entry-level smartphone with decent specifications. It sports a 4-inch display with 480 x 320 megapixel screen, 1GHz Qualcomm processor with 5 megapixel rear camera with flash, 4x zoom and auto-focus. The device runs on Firefox OS version 1.1 and features 2GB internal storage for files and apps as well as supports up to 32GB via microSD cards. The Fireweb supports 3G connectivity, Wi-Fi and Bluetooth.

Mozilla's Firefox is a web-centric mobile operating system and extends support for average smartphone-apps such as Facebook and Twitter. Besides, phones equipped with Firefox OS come pre loaded with HERE maps with offline navigation support, default Firefox web browser, Firefox Marketplace and more.

"We built Firefox OS as part of Mozilla's mission to put the power of the Web in people's hands and offer the best Web experience possible," Jay Sullivan, COO of Mozilla, said in the company's blog. "We're happy to see Firefox OS gain momentum with partners launching new devices in new markets and developers around the world being inspired to innovate. Our partnership with Telefónica Vivo demonstrates the rich, new experiences offered on Firefox OS by combining the best global and local content with LG's elegant new device experience."

The device is listed on the Vivo website with shipping up to 6 working days. LF Fireweb (D300) is priced at $207 US ($449 BRL) for pay-as-you-go and $40 US ($89 BRL) for regular subscribers.