Tech Tent 60: Mobile World Congress 2015
Mar 06, 2015, 05:10 PM
Samsung and Huawei launch a new flagship phone and a smart watch. Sony CEO Kazuo Hirai on why his company is making little impact in phones and wearables. John Chen of Blackberry insists he can turn around the company but admits "nothing is sacred" in deciding whether to continue making handsets. Plus the impact of mobile tech in Africa with our special guest Dr Precious Lunga from the telecoms provider Econet Wireless. Presented by Rory Cellan-Jones, with Leo Kelion and Dave Lee from the BBC Online tech desk.