New bug found in Apple's iOS 7 software Rapidly hitting the 'call' key connects the call from the locked screen The new operating system was released on Wednesday with much fanfare By Jennifer Smith and Ted Thornhill Apple's new iOS 7 software is just days old, but already the electronics giant is having to swat bugs away from it. Earlier this week a user posted a video showing how it was possible to sidestep the passcode security system and gain access to the photo gallery. Now someone has discovered that calls can be made on a locked phone by simply pressing one of the buttons lots of times. Karam Daoud, 27, from the West Bank city of Ramallah, posted a video on YouTube in which he demonstrates that a user merely has to press 'emergency' on the lock screen, dial a number then press the 'call' button multiple times in rapid succession to put the call through. Teething trouble: Bugs in Apple's iOS 7 software have already been found by customers Hailed as a new beginning for the technology giant, the iOS 7 operating system, launched on Wednesday, had already got off to a rocky start as users complained about difficulties downloading it.