|The iPhone 5 on display after its introduction in San Francisco [Photo:Reuters]|
Apple has unveiled a taller, 4G-enabled iPhone at an event in San Francisco.
The device's new size allows it to display an extra row of app icons on its home screen.
The firm said it was 18% thinner and 20% lighter than the iPhone 4S. However, it does not feature an NFC (near field communication) chip to allow it to make touchless payments.
Apple said the handset would work on Everything Everywhere's (EE) 4G LTE network in the UK.
The news is likely to give EE - which runs the local Orange and T-Mobile services - an advantage against its rivals which will not launch the higher-speed data service until 2013.
"I think it's obviously what the other networks feared would happen," said Matthew Howett, a telecoms analyst at Ovum.
"The question will be how many non-EE customers make the switch."
Apple said the handset would ship on 21 September.
The new screen offers a 16:9 ratio, matching that of widescreen televisions.
But its 4in (10.2cm) size remains smaller than rival displays used by Samsung, Nokia, Motorola, LG, HTC and Sony's flagship models.
Phil Schiller - Apple's vice president of worldwide marketing, who unveiled the device - said existing apps would be shown with black borders until developers updated their products.
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