Several tariffs came into force Tuesday, including the latest levy on imports from China. The move has raised questions about how prices for smartphones could be affected.

BARCELONA — British smartphone startup Nothing on Tuesday debuted a new ... would be considered a success for the sales of ...

More smartphone makers are showing off their own trifold phones — smartphones with three displays — at the Mobile World ...

Huawei has launched the Mate XS and Mate XT trifold outside of China as it charts a cautious path back into international markets.