1/9
Galaxy S6, right, and S6 Edge are displayed during a Samsung Galaxy Unpacked 2015 event. Photo: AP
A prototype of Acumulus9's wearable camera QuidredCam (L) is shown during the Mobile World Congress in Barcelona. Photo: Reuters
2/9
A prototype of Acumulus9's wearable camera QuidredCam (L) is shown during the Mobile World Congress in Barcelona. Photo: Reuters
Prototype modular parts created by Yezz Mobile for Project Ara, Google's modular smartphone project, are shown during the Mobile World Congress in Barcelona. Photo: Reuters
3/9
Prototype modular parts created by Yezz Mobile for Project Ara, Google's modular smartphone project, are shown during the Mobile World Congress in Barcelona. Photo: Reuters
The Samsung Galaxy S6 is presented during the 2015 Mobile World Congress in Barcelona. Photo: AFP
4/9
The Samsung Galaxy S6 is presented during the 2015 Mobile World Congress in Barcelona. Photo: AFP
A visitor takes a photograph of the new Huawei's device 'Talkband N1' during its presentation in Barcelona. Photo: AFP
5/9
A visitor takes a photograph of the new Huawei's device 'Talkband N1' during its presentation in Barcelona. Photo: AFP
Huawei's Consumer Business Group Chief Executive Officer (CEO) Richard Yu presents his company's new device 'Huawei Watch' during a press conference in Barcelona. Photo: AFP
6/9
Huawei's Consumer Business Group Chief Executive Officer (CEO) Richard Yu presents his company's new device 'Huawei Watch' during a press conference in Barcelona. Photo: AFP
Two models show the new Huawei's device 'Huawei Watch' during a press conference in Barcelona. Photo: AFP
7/9
Two models show the new Huawei's device 'Huawei Watch' during a press conference in Barcelona. Photo: AFP
Huawei's Consumer Business Group Chief Executive Officer (CEO) Richard Yu presents his company's new device 'Talkband N1' during a press conference in Barcelona. Photo: AFP
8/9
Huawei's Consumer Business Group Chief Executive Officer (CEO) Richard Yu presents his company's new device 'Talkband N1' during a press conference in Barcelona. Photo: AFP
Head of Mobile Divison LG Electronics UK Andrew Coghlin presents the LG G Flex 2 during the 2014 Mobile World Congress (MWC) in Barcelona. Photo: AFP
9/9
Head of Mobile Divison LG Electronics UK Andrew Coghlin presents the LG G Flex 2 during the 2014 Mobile World Congress (MWC) in Barcelona. Photo: AFP