Amy Davies reviews the Sony Xperia Z5 Premium with a 5.5inch 4K Ultra HD screen, 23 megapixel camera and 4K video recording.

The Sony Xperia 5 III almost offers all of the same specs as the flagship Sony Xperia 1 III but for less cash so we're interested to find out how it performs on test.

Sony announced three phones at the IFA 2015 show in Berlin: the Xperia Z5, the Z5 Compact and the phone I’m covering here, the Sony Xperia Z5 Premium.

Sony Exec Insists the Xperia Lineup Is Still a 'Very Important Business for Us' Despite lagging sales, CFO Lin Tao says Sony is still dedicated to its Xperia line.

A new leak reveals the Sony Xperia 10 VII is in development but raises doubts about the arrival of a new Xperia 5 model.