Whether you like it or not, there's little doubting that the Galaxy S5 was the star of the show at this year's Mobile World Congress. Samsung had the largest press event, the most crowded booth, and the most hype built up leading into the show. It doesn't matter if it's still plastic, if it's still running TouchWiz, or that it's still arguably one of the uglier flagship devices on the market - this phone obviously matters a lot.

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