Technical trouble for Steve Jobs at iPhone 4 launch

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Steve Jobs has unveiled Apple's latest mobile, the iPhone 4, but the much-anticipated event suffered a few technical difficulties.

Mr Jobs had to ask conference goers to stop using wi-fi on their devices to help some demos go more smoothly.

The revamped gadget has a stainless steel case, integrated antenna, improved display and is 24% thinner than the most recent version.

READ MORE: Apple shows off redesigned iPhone

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