► Try the Financial Times for 4 weeks for just £1. Start your trial now - http://bit.ly/2ry7Tkz<br /><br />Read more at https://on.ft.com/2C3It43<br /><br />After years of stagnating innovation in smartphone design and declining sales in 2018, new folding phones have lifted the mood at the Mobile World Congress in Barcelona. But questions remain over pricing. The FT’s Tim Bradshaw reports.<br /><br />► Subscribe to FT.com here: http://bit.ly/2GakujT<br /><br />► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
