The Indian company is making its US debut with the convertible tablet.
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The Korean giant is struggling to maintain its dominance in growth markets like India, where it slipped to number two, according to market research firm Canalys.
Dual OS LapTab by MicroMax has the best of two worlds.
The South Korean company's sales also should rise, but it didn't give any commentary on the expected results.
India's biggest mobile maker has plans to expand to Europe with this, its latest Android smart phone.
In a canny bit of online marketing, the Taiwanese electronics giant pushed forward the phone's release date after it received over 30,000 pre-orders.
The Japanese behemoth reportedly is hoping to take advantage of India's quickly developing market with local manufacturing of its Xperia line, as well as some cheaper alternatives.
India is the world's fastest growing smartphone market, predicted to overtake the US in just two years. And it's already becoming one of the most bitterly fought-over pieces of turf in the global smartphone war.
Both devices feature 5.7-inch screens, but there are also differences -- like the color options and the display that wraps around the sides of the Edge+.
The platform, which is designed to provide low-cost smartphones in emerging markets, has "not delivered to expectations" in India yet, the search giant says.