Gulf countries must tighten coordination to fight an increasing number of cyber attacks, experts said on Monday, as one official blamed hackers in Iran.

Chinese telecoms giant ZTE unveiled Sunday what it said is the world's first smartphone compatible with the lightening-fast 5G mobile internet service that networks expect to have up and running by 2020.

Chinese electronics company TCL unveiled Saturday its first BlackBerry-licensed smartphone which brings back the device's signature physical keyboard as it seeks to revive the once mighty brand. 

As President Donald Trump warns of a crackdown on U.S. government leaks to media, interest is growing in technology tools that allow sources to share information anonymously.

One such tool called SecureDrop, being used by at least 30 U.S. and global media organizations, offers a way for sources to anonymously communicate via encrypted servers.

Smartphones are revolutionizing the diagnosis and treatment of illnesses, thanks to add-ons and apps that make their ubiquitous small screens into medical devices, researchers say.

"If you look at the camera, the flash, the microphone... they all are getting better and better," said Shwetak Patel, engineering professor at the University of Washington.

Chinese smartphone maker Huawei managed to gain ground on Samsung and Apple in terms of market share last year, following the problems encountered by the two sector giants, the Gartner consultancy group said on Wednesday.

Over the year as a whole, the Chinese maker saw its sales leap by 26.7 percent, while the South Korean and US rivals both saw their sales decline by 4.3 percent, Gartner said in a study.

Prosecutors said Tuesday they would make a second attempt to arrest the de facto head of South Korean giant Samsung over a corruption scandal that led to the impeachment of President Park Geun-Hye.

Technology firms must up their game in tackling "fake news", Apple chief executive Tim Cook said Saturday, calling for a major public information campaign.

"All of us technology companies need to create some tools that help diminish the volume of fake news," the US tech giant boss told the Daily Telegraph in an interview.

Unlock them with an app, drop them off anywhere, and nip past lanes of stationary car traffic: the humble bicycle is seeing a revival in China as a new generation of start-ups help tackle urban congestion and pollution with fleets of brightly colored two wheelers.

Apple is to start making iPhones in India this year, a local government official said Friday, as the firm looks to tap a booming middle class as sales in China slow.