Nokia says that massive demand for the Nokia N900 has forced it to delay the release of the Maemo 5 handset.

Users will have to wait a week longer than expected for their Linux-based internet phones.

According to Nokia website Nok Nok: "Working on a strict first-come-first-served basis, anyone who has already pre-ordered the Nokia N900 should receive their device starting from [yesterday]."

The latest internet tablet phone from Nokia, the Nokia N900 sports an ARM Cortex A8 processor and 32MB of RAM, with which it runs the Maemo 5 OS.

Indeed, with a full qwerty hardware keyboard Nokia insists on calling the device a 'mobile computer', although most users will recognise it as a high-end smartphone.

The Nokia N900 is priced at £499 SIM free.