Man , I got screwed and these guys are smart . The iphone 4 I bought off the guy on Craiglist , I'm sure I checked and it said it's 28.6 GB capacity or 32 Gb , O.S is 4.1 and BB is 02.10.04 , it too is jailbroken (cydia installed) took it home & installed some apps from cydia then rebooted the phone , I went back into settings to check and found out it's now showing 14.2 GB capacity or 16 Gb , OS is still 4.1 but the BB is now 04.12.01 ??? Damn it , learned something new & know what to look out for the next iphone I buy off Craiglist