Conor Maples, a communications employee with Orange UK, has revealed via a Twitter update that the company has sold more than 30,000 iPhones on launch day. “Orange UK had sold more than 30k iPhones,smashing what we believe is the previously published first day sales records for a phone in the UK,” the posting reads. As Mac Rumors notes, it is unclear what previous first-day sales records Orange is referring to, as O2 is not believed to…