Apple is set to launch the iPhone 5S and 5C later today at the company's headquarters in Cupertino, California; the first time the tech giant will be offering two variants of its smartphone.
The 5S is set to be a straight update of the iPhone 5, available in the new colour of 'champagne gold', with a variety of updates and new features being widely rumoured.
A new camera will be an almost certain update, given that the iPhone 5's 8-megapixel iSight, which had few updates from the 4S, has been completely left behind by the likes of Samsung, Nokia and HTC.
The addition of a fingerprint scanner is also highly anticipated - A leaked photo that emerged late last week suggests that it will be integrated in the home button that sits at the foot of the device.
The 5C on the other hand, will be Apple's debut into the budget smartphone market, with a lower price and accompanying lower specs. It is expected to ship in a variety of bright colours similar to the iPod touch and Nano.
Rumour has it that Siri will be dropped from the 5C and is likely to have the same camera as the iPhone 5. It could retail from anything between $300-$399 (£190-£255) for a contract free, unlocked device, according to reports. The iPhone 5 currently starts at £529, with the 5S probably coming in at a slightly higher price.
Both devices are set to run iOS 7 straight out the box, the new operating system that Apple first presented at Apple's Worldwide Developer Conference back in June, when CEO Tim Cook called it the "biggest change to iOS since the introduction of the iPhone".
The California launch event will be simulcast in Berlin, whilst a separate event will be held in Beijing tomorrow, with some additional country specific announcements, including a partnership with China Telecom, expected.
You can follow all the launch event action from 18:00 BST, as well the build up throughout the day, with ITProPortal by heading to our iPhone 5S and iPhone 5C live blog.