Review: Sony Xperia Z5

Introduction and designSomething feels different with the Sony Xperia Z5. After years of too-hasty handset updates from Sony with minimal enhancements (the Xperia Z3+ back in May was no exception), this finally feels like a worthwhile advance on the previous model.The problem is, does anyone really need a new phone from Sony? The Xperia Z1 only launched in 2013, the same year as the Samsung Galaxy Note 3. That's not very long ago at all – one upgrade cycle for people stuck in two year cont