Technology, tested

iPhone 4S Review Video

12:13PM 12th Jan 2012

Apple's new iPhone 4S has the same shaped chassis as it's iPhone 4 predecessor, but with a different innards under the hood. With a new A5 processor, better camera and Siri voice assistant, is the upgrade worth it?

More articles that use this video

iPhone 4S

The iPhone 4S caught many by surprise, with Apple expected to release the iPhone 5 - but instead we got an iPhone 4 with overhauled innards.