O2 is set to cut the price of the 8GB iPhone by £100, to £169, according to a Mobile Today report, which has since been confirmed by the carrier. The reduction will apply to all 8GB iPhones purchased with an O2 iPhone tariff, and will run from April 16 (tomorrow) through June 1. “The special offer will make the iPhone an unbeatable proposition in the market, helping O2 to further gain market share,” said an O2 spokesperson. The price…