Edited sentence: Another point of concern is the fact that iPhones may only be purchased by credit or debit card.Apple has stated that this is to stop people from quickly reselling, but a detailed explanation for restrictions on payment tender have not been offered.On September 24 2007, one disgruntled customer filed a lawsuit against Apple, Steve Jobs, and AT&T over the price cut, citing price discrimination, underselling, discrimination in rebates, deceptive actions, and other wrongdoings