The new iPhone 4 features a completely new design, and from the looks of the photos we have seen this is the best design to date. The new iPhone 4 measures 4.5 inches in height, 2.31 inches wide and 0.37 inches thick and it weighs in at just 137 grams.

The most interesting part of thew new iPhone 4 is the new display, Apple calls it a Retina display, the screen is a 3.5 inch widescreen multitouch display with a resolution of 860 by 640 pixels with a total 326 pixels per inch.

The new Retina display is much sharper than the display on the previous model iPhone, and it can display up to four times more detail than on the iPhone 3GS.

The iPhone 4 offers UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz) and GSM/EDGE (850, 900, 1800, 1900 MHz) connectivity as well as integrated 802.11 b/g/n WiFi and Bluetooth 2.1 +EDR, there is also built in A-GPS, plus a digital compass. Make sure you read our iPhone 4 full specifications article for full details of the new iPhone 4.

As soon as we get some more information on how much the iPhone 4 will cost in the UK, both on a monthly contract with the four providers and also on pay as you go we will update this article.

Updated 10th June 2010 to include Three Mobile who are now offering the iPhone 4 in the UK.