Anyone with even a remote interest in technology will know that today sees the official UK release of Apple's iPhone. This means UK users will finally be able to see what all the fuss is about, and get their hands on the most-hyped technology product of 2007. We've put together the ultimate iPhone guide to help you decide if the iPhone is worth your attention - and cash.

We've been tracking the progress of the iPhone since it was announced at Macworld in January, and have had a number of chances to play with Apple's handset over the past few months. Usually, when a product is launched amid such high expectations, it fails to deliver on the hype. However, the iPhone is widely regarded by those who have used it as a major breakthrough for portable video, music, internet and telephony – all in one compact device. Visit PC Advisor's Mobile Advisor website for reviews of the latest mobile phones.

From today, you'll be able to get your hands on one for £269, with O2's monthly tariffs costing £35, £45 and £55. But should you upgrade now?

We've put together the ultimate iPhone guide to help you make the decision.

Apple iPhone review

Apple iPhoneWe've been updating our iPhone review on a regular basis since we first played with the device in January. So our latest iPhone review brings together several months of experience with Apple's handset – based on usability studies in the US, and the features exclusive to the iPhone in the UK.

See our up-to-date iPhone review to find out how its touchscreen interface revolutionises the way users control mobile phones, how the internet and telephony features stand up to the rigours of everyday use and, ultimately, whether the iPhone is worth the £269 asking price.

Unlock the iPhone

As soon as the iPhone became available in the US, hackers started working out how to unlock the device so it would work with operators other than AT&T.

Hackers near to unlocking iPhone

Free Apple iPhone unlock hack released

UK firm close to unlocking the iPhone

Free Apple iPhone unlock hack released

Numerous iPhone hackers claim to have been successful, although Apple has insisted it will stay ahead of the game and ensure the device can only be used with the mobile carriers it picks (See - Jobs: We will stop UK iPhone hacks)

The 10 most ridiculous iPhone stories so far

Technology fans have been following the progress of the iPhone intensely since January, eager to read the latest news, however quirky. We've picked out the oddest iPhone stories over the past few months, from the man who apparently had his thumbs surgically narrowed to help him save time while typing on the iPhone, to the man who claimed 'my iPhone almost killed me'. See our strangest iPhone stories.

Visit PC Advisor's Mobile Advisor website for reviews of the latest mobile phones.

NEXT PAGE: iPhone upgrades, rivals and the future > >

Most-wanted iPhone upgrades

No matter how good the iPhone is, it's far from the perfect gadget. We've come up with 25 upgrades that Apple should include in the iPhone 2, including 3G capabilities and various tweaks to the hardware and interface.

25 new Apple iPhone features needed for the UK

Steve Jobs has already confirmed that Apple is working on the iPhone 2, which many believe will be released next year. Is it worth waiting for the next version?

Apple iPhone vs its rivals

It's easy to get carried away with the iPhone hype, but let's not forget that Apple's competitors in the mobile phone market haven't been standing still over the past year. Perhaps inspired (or scared) by Apple's innovation, Nokia, HTC, Sony Ericsson and Motorola have been adding new features to their own handsets. A large number of mobile phone fans swear by Nokia's N95, for example (see our Nokia N95 review).

But how do the major contenders stack up when it comes to usability? We looked at perhaps the three most innovative handsets on the market (the iPhone, Nokia N95, HTC Touch) in a usability study designed to sidestep the hype and discover which phone really is the most innovative of the year.

Usability test: Apple iPhone vs its rivals

The operating systems compared

And if you've decided that you can do without a flashy gadget that's sure to attract the attention of thieves, and prefer to consider all the options when it's time to upgrade your handset, read on.

While Apple has made a big splash this year, mobile users have been well-catered for by various competing platforms for ten years. Some people prefer the Blackberry, some are Symbian devotees and others remain loyal to Windows Mobile.

But how do the various operating systems compare? See our guide below:

Ultimate guide to your next mobile phone

Best gadgets of 2007/2008

Apple doesn't hold the exclusive on technology innovation – numerous products have launched this year, or are currently in development, which could lay claim to the title of 'gadget of the year'. Our guide below isn't restricted to mobile phones – if you're on the lookout for a new media player, media streaming device, satnav or internet TV service, read on.

The iPhone killers: best products of 2007

Visit PC Advisor's Mobile Advisor website for reviews of the latest mobile phones.