Vodafone has updated its website with news of a successor to the Samsung i620, cunningly called the i640.

Samsung's i640 is available through Vodafone's UK wesbite

The phone, which is now available to buy in the UK, retains the i620's slider design. Specifications provided by Vodafone are annoyingly vague, though the network provider does state that the i640 is a tri-band GSM/GPRS handset that also does 3G. It also has a two-megapixel camera and integrated memory card slot.

The i620, which came to Vodafone in July last year, has all these features.

From the pictures provided, it’s probably fair to assume that the i640 still measures 95 x 60 x 16mm and has a 320 x 240 pixel resolution display. Battery life seems to have been given a little boost on the i640, though, jumping to six hours talk time and 380 hours standby life, compared to 4.3 hours talk time and 350 hours standby on the i620.

The i640 does appear in search strings on Samsung’s UK website, but users are directed back to a page displaying all the manufacturer’s handsets that, oddly, doesn’t include the i640. Online retailer Expansys doesn't list the phone on its website either, but does sell an i640-compatible USB data transfer cable.

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