Samsung has unveiled its highly anticipated new smartphone, Galaxy S4, which is the lightest and the most sophisticated model in the Galaxy family. Being a successor to the company’s Galaxy S III, the new flagship phone has a sleeker and more refined design, Dual Camera, a wider 5-inch screen with 1920×1080 resolution, and a stronger textured body case. The new product, unveiled yesterday during a live-streaming show in New York, will be available in 55 countries on 327 different carriers starting April. The price hasn’t been announced yet.

Huawei, the China-based telecoms operator and smartphone manufacturer, is rolling out its new branding campaign entitled “Make it Possible,” designed to increase the brand’s recognition on the global market. The new initiative was launched at the Mobile World Congress in Barcelona, the biggest international mobile tradeshow, this week. So far, it includes just one spot with the brand’s logo in the very end—Huawei’s global corporate branding effort is to launch on a larger scale across its business divisions later this year.

Following Apple, Microsoft, BlackBerry and Google, Mozilla is launching its own Firefox OS to be used in smartphones from Alcatel, LG, ZTE and later Huawei, all powered by the Qualcomm Snapdragon™ chipset. Unlike rival iOS and Android OS, Mozilla’s OS is a free, open-source technology that provides more freedom to mobile carriers and, more importantly, to developers, enabling them to develope every feature as an HTML5 application

Samsung continues its smartphones war, but now the rival is not iPhone, but BlackBerry. While in the spot, which mocked the Apple phone fans, Samsung focused on entertainment, in the new BlackBerry-targeting video it highlights the benefits of its Galaxy Note II for business users. Of course, it’s not a coincidence that the new ad got revealed ahead of the launch of the long-awaited Blackberry 10 (BB10) operating system on January 30.

Mondelēz International, the maker of chocolate, biscuits, gum and candy that launched this week is celebrating its birthday with events around the world. Last week it was known under the title Kraft Foods but after spinning off its North American grocery business on October 1 changed its name to Mondelēz. The name was proposed by Kraft in March.

Nokia joins Samsung in attacking Apple’s iPhone5 model. Two weeks after the S-brand released its video mocking the latest product from Apple’s portfolio and poking fun at iPhone-addicts, the Finnish mobile phones manufacturer launched a less ironic video, which focuses on colour. While Samsung video is referring to the technical characteristics of the Galaxy and iPhone devices, Nokia highlights the colour options available with its new Lumia 920 and the dull colour palette of the new iPhone.

The confrontation between Coca-Cola and Pepsi fades now that the new iPhone 5 release has renewed vigour in the Samsung and Apple war. Samsung has posted a new video to its Facebook page, mocking at Apple fans who were waiting for the new device in line at the store. The brand is poking fun at its competitor al all the “new and mindblowing features” of Apple’s latest product, which will be released in retail on September 21, and highlights the possibilities of the Samsung Galaxy SIII smart-phone in a light and non-pressing way.