Simon Hill

Hide images, go stealthy and get secure - we're about to make you a WhatsApp messaging master.

In depth Want to make that iPhone battery last longer? Here are some super-simple tips and tricks to get you through the day.

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?

In depth If you want to get into the heady world of tablets, here's our easy guide giving you all you need to know.

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 The anticipation of a new phone can be quickly punctured by reality. Don't worry - we've got ten apps you can nab to make it interesting.

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.