The screen resolution on the Plus version will be at 401 pixels per inch. The new phones, equipped with iOS 8 will be faster and will have better battery. The resolution on the camera is staying at 8 megapixels but with new sensors for better shots. The camera will be able to take 240 frames per second. With the new iPhones Apple introduced a system for using the phone to make credit card payments at retail stores. Apple is calling its new payment system Apple Pay. The iOS 8 will let devices work better in sync.The new Apple iPhones will go on sale on Sept. 19 but advance order will begin this Friday.. “Today, we are launching the biggest advancement in the history of iPhone,” Apple Chief Executive Tim Cook said. Research analyst Toni Sacconaghi estimated that the new iPhones will sell 182 million units in Apple’s fiscal year starting in October, marking an estimated 9% increase from the prior year.