Newbie here and have been browsing thro' several threads for couple of days... Need clarification. Did buy an AT&T Iphone 3Gs on ebay and now trying to unlock it so I can use it on T-Mobile network. I used the f0recast tool to determine if it can be unlocked or not and am disappointed with the results. Attached the Image. Beware: the Forecast.exe has a malware attached to it - called Dropper.Generic2 Here are the details Baseband : 05.15.04 Bootloader: 6.4 Model : MC132 Firmware : 4.2.1 Jailbreakable? Only with SHSH Blobs Unlockable? NO Tethered? Depends on Jailbreak. I would appreciate any pointers on how to unlock/jailbreak the phone.