Unlock the Editor’s Digest for freeRoula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.Shenzhen-listed Transsion, the world’s fourth-largest smartphone maker, is being sued by Qualcomm and Philips for alleged intellectual property violations.Transsion, which has a 48 per cent market share for smartphones in the African continent and is rapidly expanding across the global south, is facing intensifying legal and commercial pressures from large US and European te...