mobile

hi i flash cm android 4.1.2 in my p505 but no network and no baseband after flash cm so i want to comeback to orginal firmware V20F_00.kdz but error with kdz updater

this is my log

12:24:20 : Launching SW update
12:24:20 : Unpacking KDZ
12:24:31 : KDZ file extraced
12:24:34 : Files were extracted.
12:24:34 : LGMobileDL Load.
12:24:34 : Port = 6
12:24:34 : Connecting to phone
12:24:50 : Check Phone mode = 1
12:25:28 : Phone type check.......
12:26:11 : _DetachDLL Call
12:26:11 : _DetachDLL Call End
12:26:11 : Param : Path = C:\Documents and Settings\All Users\Application Data\LGMOBILEAX\Phone\LGP505AT-01-V20f-310-410-DEC-22-2011+0-DZ.dz
12:26:11 : Param : moduleDir =
12:26:11 : Param : waitTime = 33000
12:26:11 : Param : UsbHighSpeed = 0
12:26:11 : Param : PhoneMode = 1
12:26:11 : Param : BinVersion = V20F_00
12:26:11 : Param : AuthMark = 0
12:26:11 : Call fn_StartUpgrade
12:26:18 : CDMA: wParam = 100, lParam = 2
12:26:18 : Step : Upgrade Error2 - Error Code : 2
12:26:18 : ResetStartInfo() Call
12:26:18 : _DetachDLL Call
12:26:18 : _DetachDLL Call End
12:26:18 : FreeLibrary Call
12:26:18 : FreeLibrary Call End
12:26:18 : ResetStartInfo() Call End
12:26:19 : ===FINISHED===
12:28:14 : OnModelDllMsg(OnMsgFromModelDll-CDMA) delete m_pLGCyonUpdate