"Apple is making it more difficult for iPhone 4 owners to perform simple DIY repairs by replacing common Phillps head screws with a rare "pentalobe" screws. While newer iPhone 4s have included the screws from the factory, it is also Apple policy to replace any Phillips head screws with the new pentalobe screws whenever an iPhone 4 is taken in for service." "This screw head clearly has one purpose," iFixit CEO Kyle Wiens told Ars.

Company is seeking to correct abusive suppliers

Apple last week aired its annual evaluation of its supplier's compliance with its supplier standards program. The program is designed to discourage practices like child labor and substandard living and working conditions among the company's suppliers worldwide.