Following yesterday’s report that Hon Hai has been instructed by Apple to begin preparing material supplies for the 3G iPhone, the Taiwan Economic News has printed a story containing supposed specifications of the new handset. According to the report, the new iPhone will weigh between 3.9 and 4.2 oz., compared with the current model’s weight of 5.6 oz. A new plastic casing is said to help with the weight reduction, along with a new, smaller…