Apple is currently field testing what is believed to be a new CDMA-compatible iPhone model, according to a new report. Citing an unnamed Apple source, Boy Genius Report states that iPhone model 3,2 recently hit the “AP” testing stage, which is said to be the final stage before retail release, with final hardware and nearly final software. Oddly, however, the same source said the model also contains a SIM card slot. The report suggests…