► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs

BlackBerry is making its latest bid to regain its once trusted place in the pockets of the business user with a square-shaped smartphone designed for reading spreadsheets and documents. Daniel Thomas takes a look at the unusual device.

► FT Business: http://bit.ly/1KUK08s

► FT World News: http://bit.ly/1Exp0iJ

Twitter https://twitter.com/ftvideo
Facebook https://www.facebook.com/financialtimes