Although Mozilla has stated that it won’t produce hardware for its upcoming Firefox OS, the company has teamed up with Spanish startup Geeksphone to offer a pair of developer devices. Called Keon and Peak, the devices are designed to provide developers with the opportunity to “tap the future of mobile” and get to grips with the platform that will soon be trying to steal marketshare from Android and iOS.

Google is said to be preparing a second-generation Nexus 10 tablet for Mobile World Congress in Barcelona next month. The device will reportedly offer a quad-core processor and faster graphics, making it a significant improvement over its predecessor — which was only launched last November.

Verizon has today announced its financial results for the fourth quarter of 2012, which has been its best yet in terms of subscriber growth. The company added 2.1 million new customers during the three-month period, bringing its total number of subscribers up to 98.2 million, with 58% of those customers using a smartphone.

Aside from slightly different form factors, today’s smartphones all look pretty similar; they have large displays that take up the majority of the space, and just a few physical buttons. But NEC is hoping to throw something different into the mix. The Japanese company has today unveiled the Medias W N-05E, a folding smartphone that has two 4.3-inch displays.

Despite announcing a number of new smartphones at CES just two weeks ago, Huawei has more handsets up its sleeve. In Germany today, the company announced the Ascend G615, another high-end smartphone with a 4.5-inch 720p display, a quad-core processor, and an 8-megapixel rear-facing camera.