In pictures: Smartphones revealed at Mobile World Congress

Exhibiting the most cutting-edge mobile technology on the market.
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A person holds the new LG G6 model of South Korean multinational conglomerate corporation LG after its presentation in Barcelona on February 26, 2017 on the eve of the 2017 Mobile World Congress opening. (JOSEP LAGO/AFP/Getty Images)
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The new BlackBerry Key One is displayed at the Mobile World Congress centre in Barcelona on February 25, 2017, before the start of the world's biggest mobile fair, held from February 22 to February 25. (JOSEP LAGO/AFP/Getty Images)
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Oppo F1 Plus FC Barcelona special edition mobile phone it is displayed during the Mobile World Congress on the third day of the MWC in Barcelona, on March 1, 2017. (JOSEP LAGO/AFP/Getty Images)
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A person holds Nokia's new phone 'Nokia 6' after its presentatioin on February 26, 2017 in Barcelona on the eve of the start of the Mobile World Congress. (JOSEP LAGO/AFP/Getty Images)
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Chinese multinational networking and telecommunications equipment and services company Huawei's new phone P10 after its presentation on February 26, 2017 in Barcelona on the eve of the start of the Mobile World Congress. (LLUIS GENE/AFP/Getty Images)
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Oppo mobile phones with a 5x zoom are displayed at the Mobile World Congress on the third day of the MWC in Barcelona, on March 1, 2017. (JOSEP LAGO/AFP/Getty Images)
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Sony XZs smartphones are displayed during the Mobile World Congress on the third day of the MWC in Barcelona, on March 1, 2017. (JOSEP LAGO/AFP/Getty Images)
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New phone models by Nokia are displayed during the presentation of the new models Nokia 6, Nokia 5, Nokia 3 and Nokia 3310 during a press conference on February 26, 2017 in Barcelona on the eve of the start of the Mobile World Congress. (JOSEP LAGO/AFP/Getty Images)
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Lenovo Motorola's Moto G5 is diplayed during the Mobile World Congress on the third day of the MWC in Barcelona, on March 1, 2017. (JOSEP LAGO/AFP/Getty Images)
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A visitor tries ZTE Axon 7 Max phone on the first day of the Mobile World Congress in Barcelonaon on February 27, 2017 in Barcelona. (LLUIS GENE/AFP/Getty Images)
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This picture shows a Crosscall Trekker-X3 smartphone inside a tank full of water on the first day of the Mobile World Congress in Barcelonaon on February 27, 2017 in Barcelona. (LLUIS GENE/AFP/Getty Images)
Thu 02 Mar 2017 12:04 PM