Millions of users on the SoftBank network in Japan and O2 in the UK are unable to use mobile data, sources say due to a software problem in Ericsson’s equipment (Financial Times)

Financial Times:
Millions of users on the SoftBank network in Japan and O2 in the UK are unable to use mobile data, sources say due to a software problem in Ericsson’s equipment  —  Millions of mobile phone users around the world have been unable to use their smartphones after a software issue in systems provided by Ericsson caused major disruption.