Ars Technica reports that in a lawsuit filed in the Superior Court of California for San Diego, plaintiff Biana Wofford alleges that Apple purposely crippled the iPhone 3G with its introduction of iOS 4 in order to boost iPhone 4 sales

We all saw this one coming a mile away: Apple is finally being taken to task over iOS 4 performance on the iPhone 3G. In a lawsuit filed in the Superior Court of California for San Diego, plaintiff Biana Wofford alleges that Apple purposely crippled the iPhone 3G with its introduction of iOS 4 in order to boost iPhone 4 sales, and hopes to get her lawsuit elevated to class action status.

Apple originally marketed iOS 4 as a major upgrade for iPhone 3G and 3GS users. That operating system came out just days before Apple started selling the iPhone 4 to the public, but iPhone 3G users quickly learned that it wasn't what they had been hoping for. There were soon widespread reports of extremely slow and buggy performance of iOS 4 on the iPhone 3G, not to mention the fact that the iPhone 3G didn't get all of the features that came with iOS 4 in the first place.

  Lawsuit: Apple turned iPhone 3Gs into iBricks to boost iPhone 4