Nokia has released a statement denying the poor sales rumours surrounding its recently released Lumia 800 smartphone.

In its statement a Nokia spokesperson clarified that according to its own sales figures, the Lumia 800 is one of the company's most successful devices to date.

"According to the earliest data we have, in less than a full week of sales in a lead market like the UK, we can surmise the following," said a Nokia spokesperson. "The UK is our first market to be enjoying the Lumia launch with a full range of marketing and retail training.

"Lumia 800 sales in the UK are off to an excellent start. Based on earliest data the sales start of the Lumia 800 is the best ever first week of Nokia smartphone sales in the UK in recent history."

Later adding: "Based on Net Promoter Scores - which measure a consumer's willingness to recommend the product to a friend - the Lumia 800 has received the highest NPS score of any Nokia device we have launched in recent history in the UK.

"Given our deliberate, sequenced rollout across countries and with future launches ahead, this is a critical metric for long-term success. By our measures, we have gained significant smartphone sell-out share in the channels in which we are operating in the UK.

"In short 'The level of pre-orders, as well as reaction in shops, leads us to be very positive about the launch of the Nokia Lumia 800.'"

Though no firm sales figures were given, Nokia's latest statement conformed to a previous report from network carrier Orange. Just after the Lumia's release, Orange confirmed that Nokia's Lumia 800 Windows Phone had attracted the most "attention" it's ever seen for a Nokia device.

Unveiled in October during 2011's Nokia World, the Lumia 800 was described by Nokia as "the first real Windows Phone." Currently selling SIM-free at around the £399 mark the device met with mixed initial reactions, with fans being sceptical of the device's single-core 1.4GHz processor and Windows Phone Operating system.

Despite the initial skepticism, to date the Lumia 800 has met with a generally favourable reaction. Tech sites such as CNET UK and TechRadar all specifically mention the Lumia 800's Mango operating system as being a particularly good selling point, describing it as user-friendly and intuitive.

Check back at the IBTimes later in the year for a full review of the Lumia 800.