Rajeev Suri, Nokia's President and Chief Executive Officer, shows a wi-fi device during the Mobile World Congress in Barcelona, Spain February 25, 2018.
The home-use social robot piBo is displayed at the Mobile World Congress in Barcelona, Spain, February 26, 2018.
The Sony Xperia XZ2 is seen on display during the Mobile World Congress in Barcelona, Spain, February 26, 2018.
Richard Yu, CEO of the Huawei Consumer Business Group, presents the new "MateBook X Pro" laptop before the Mobile World Congress in Barcelona, Spain, February 25, 2018.
A woman holds the new Nokia 8 Sirocco during the Mobile World Congress in Barcelona, Spain February 25, 2018.
A driverless car controlled by a Huawei Mate 10 Pro mobile is pictured during the Mobile World Congress in Barcelona, Spain February 26, 2018.
The Crosscall Action-X3 waterproof smartphone is seen at the Mobile World Congress in Barcelona, Spain, February 26, 2018.
A visitor tries out VR glasses during the Mobile World Congress in Barcelona, Spain, February 26, 2018.
The Bless Plus smartphone by Portugal's Ikimobile and which is partially made of cork is seen on display at the Mobile World Congress in Barcelona, Spain, February 26, 2018.
Image used for illustrative purpose.
An engineer points to a Huawei Mate 10 Pro mobile used to control a driverless car during the Mobile World Congress in Barcelona, Spain February 26, 2018. Image used for illustrative purpose.
The FITT360, a 360° neckband wearable camera by Linkflow is displayed at their booth at the Mobile World Congress in Barcelona, Spain, February 26, 2018.
A Samsung Galaxy S9 is displayed with an AR emoji at the Samsung booth at the Mobile World Congress in Barcelona, Spain, February 26, 2018.
A visitor checks out a DisplayLink wireless VR headset at the Mobile World Congress in Barcelona, Spain, February 26, 2018.
DJ Koh, Samsung's Mobile Communications Business president, holds up new S9Plus device during a presentation ceremony at the Mobile World Congress in Barcelona, Spain, February 25, 2018.
The new Nokia 8110 is displayed during the Mobile World Congress in Barcelona, Spain February 25, 2018.
Hideyuki Furumi, Executive Vice President Global Sales & Marketing of Sony Mobile Communications, presents the Xperia Ear Duo earbuds during the Mobile World Congress in Barcelona, Spain, February 26, 2018.
Visitors attend the MessageBird messaging platform booth at the Mobile World Congress in Barcelona, Spain, February 26, 2018.
A visitor tries out Lenovo augmented reality glasses with the Star Wars Jedi Challenges during the Mobile World Congress in Barcelona, Spain, February 26, 2018. Reuters/Yves Herman
Visitors check out the new Samsung Galaxy S9 smartphone at the Samsung booth at the Mobile World Congress in Barcelona, Spain, February 26, 2018.
Visitors check out VR headsets at the Mobile World Congress in Barcelona, Spain, February 26, 2018. REUTERS/Yves Herman
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Highlights from Europe's biggest annual technology conference in Barcelona.