At first glance users will find it hard to differentiate between the 5s and its predecessor, the iPhone 5, as both devices appear to be identical save for one thing - the new home button. This lacks the familiar square icon in the middle and is a lot less indented than before.

Having used the phone for a few months now I have to admit that buying the iPhone 5S was a gamble at first (after all it is expensive), but one that I am glad to have done. There are a few niggles that still grate me such as the battery life which could be better, but in some ways considering it has...

The iPhone 5s is, quite truly, nothing like a typical "s" cycle upgrade. The new iPhone gets the processor upgrade, as well as a dedicated motion processor. The camera not only has a lot more features, but is a marked improvement over the fairly competent iPhone 5, which it succeeds.

Classy design; Consistently good performance; Future proof power package; Much improved camera; Touch ID feels right at home

Costs a lot of money

The iPhone 5s is the latest flagship device to lead the iPhone dynasty. With a redesigned processor, fingerprint scanner, improved camera, a bounty of new camera features and iOS 7, the phone is receiving rave reviews from virtually every reviewer around.

Speedy performance; Beautiful display; Great camera; Flexible LTE support; Decent battery life; Solid design

Lack of NFC support; Mid-sized screen; Lack of memory expansion; High off-contract price

Phone 5S is a solid upgrade of the iPhone 5 with improved speed, camera and innovative fingerprint technology. It is premium and we expect it to be quite expensive. Will people want to pay a lot of money to hold the newest top end iPhone and stay in the easy Apple ecosystem?

fingerprint technology; video camera at 120 frames per second

expensive; screen resolution could be better

The design of the iPhone 5S remains largely the same from the iPhone 5. However, this time around one can actually visibly see a difference between the iPhone 5 and iPhone 5S. This visible variance was not possible between the iPhone 4 and iPhone 4S.

Apple iPhone 5s is a 4 inch smartphone running on iOS 7 OS. It is powered by Apple A7 with 64-bit architecture processor and it is available for $199 for 16GB model. Apple iPhone 5s Apple iPhone 5s Thickness Apple iPhone 5s Camera Apple iPhone 5s Connectivity Apple iPhone 5s Design (5 out of 5)...

An outstanding smartphone, but with a 4in screen and wallet-damaging price, it's no longer the best of the lot

Summary: Apple's latest high end smartphone should always better than the last one and the iPhone 5s proves that with a better processor, improved camera, useful fingerprint scanner, and more.

The Apple iPhone 5s is a successful refresh of the iPhone 5 . In terms of design, it has remained largely unaltered, with the exception of the Touch ID fingerprint sensor, which is not obligatory but can be a useful and reliable addition to the overall smartphone experience.

Great performance; 64-bit architecture; Bright; colorful; naturally looking Retina display; Long battery life; Superb build quality; premium materials; Good EarPods (included; Surprisingly precise GPS module; Low emission and power consumption levels; The superb build quality and the premium...

Poor black levels, poor contrast ratio, Resolution could be better, screen size could be larger, Non-extendable internal storage, Expensive, As always, a micro SD slot and an HDMI port (the latter can only be had via an expensive adapter); An improved display resolution