Simon Hill

In depth A look at some of the best ways to squeeze a few extra hours out of your smartphone battery.

Versus Other than a few extra inches, what sets the iPad Air 2 apart from the iPad mini 3?

Versus Is Apple's new iPhone 6 a small step or a major leap? We compare it with the iPhone 5S.

Versus Does the best of Sony measure up against Samsung's current flagship? Find out what sets them apart in this comparison.

Early view Now the Galaxy Alpha is here, we've got a swathe of smaller, but powerful, devices on the market. How does it compare?

Early view The Lumia 520 is the best-selling Windows Phone ever - so how does the new Lumia 530 successor improve on greatness?

In depth We're smartphone junkies enslaved by touchscreen tyranny; and there's real evidence it could be harmful.

In Depth The technology is there, it looks cool - so why aren't we all using see-through tablets and smartphones?

Versus Samsung has led the market for Android smartphones, but HTC has set the standard. Will the One (M8) have the edge on quality again?

In depth Flawed but loved, we look back at one of the best pre-iPhone devices to grace our pockets.

Updated It was the best of times... and it's quickly becoming the worst of times. We chart the points where sweetness turned sour for the once-great firm.

In Depth We look at what's going on with bendy screens, why they're not here yet and whether we can actually afford flexi-phones when they arrive.