The best smartphones of 2015 - Samsung Galaxy S6, iPhone 6S and more

The best smartphones of 2015: Intro

Mobile phone line-ups are a little like Hollywood movie franchises, and by now we have a pretty good idea of what we should be expecting to see over the next 12 months as all the big players will be producing sequels to their blockbusters of 2014.

• What's the top choice right now? The current best smartphones - 2015 edition

With the HTC One M8, the iPhone 6, the iPhone 6 Plus, the Nexus 6, the Galaxy S5 and many others we've been spoiled over the last year, but there's always room for improvement: QHD displays, DSLR-quality cameras, high-end audio, 4K video and the Snapdragon 810 should make 2015 a year to remember for smartphone buyers.

So here's our handy guide - if you're looking to upgrade at some point in the next 6 months, these are the ones you should check out.