The world's biggest mobile conference and exhibition is having its best year ever, with 1,300 exhibitors and an expected 60,000 visitors due through the gates over the next three days.
This is the 3GSM show's second year in Barcelona and the new venue has allowed the organisers to expand the number of exhibitors now that the event has outgrown its previous venue in Cannes.
While most firms are announcing new handsets and mobile applications, there are a host of other mobile related products on display, ranging from hardcore networking equipment to small handheld accessories.
GPS is expected to feature strongly in terms of handsets and applications, while mobile TV is also a hot topic.
Check here for all the latest news.
Cotton seedling freezes to death as Chang'e-4 shuts down for the Moon's 14-day lunar night
Fortnite easily out-earns PUBG, Assassin's Creed Odyssey and Red Dead Redemption 2 in 2018
Meteor showers as a service will be visible for about 100 kilometres in all directions
Saturn's rings only formed in the past 100 million years, suggests analysis of Cassini space probe data
New findings contradict conventional belief that Saturn's rings were formed along with the planet about 4.5 billion years ago