[LG Nitro HD] m.soveasna:
Hi,

I tried many times to downgrade my phone SU640 from ICS to GB by following this guide but not success. I always get error. Please help!!! Below is the massage in process.

20:47:56 : [C:\LGMobileUpgrade] Try to delete folder

20:47:56 : RemoveDirectory1 Error(2):C:\LGMobileUpgrade

20:47:56 : Start Date : 2012-12-13 20:47:56

20:47:56 : ---------- QM CSE Testmode ---------

20:47:56 : ---------- CSE mode ---------

20:47:56 : ***** Check Tool Version *****

20:47:56 : Tool version : 1.5.4.8

20:47:56 : UpgradeDLL version : 1.2.6.7

20:47:56 : Current Dir : C:\ProgramData\LGMOBILEAX\B2C_Client

20:47:56 : LGE USB Driver Version :

20:47:56 : Android PDLV Version :

20:47:56 : Android NDLV Version :

20:47:56 : ******************************************

20:47:56 : [C:\ProgramData\LGMOBILEAX\Phone] Try to delete folder

20:47:56 : SetEmerModeAT()

20:47:56 : *****CheckOS Start********

20:47:56 : Microsoft_Windows7_Home Edition_

20:47:56 : *****CheckPCSyncPrograms Start*****

20:47:57 : PCSyncPrograms Not Found - OK and ready to upgrade

20:47:57 : Checking the connection with the cell phone...

20:47:57 : dwWaitResetTime(40000 ms)

20:47:58 : _IsConnectedPhone Call

20:48:06 : _IsConnectedPhone(2)

20:48:07 : 0 - NotConnected.

20:48:07 : 1 - Normal connect success

20:48:07 : 2 - Emergency connect success

20:48:07 : Phone Mode(2)

20:48:07 : *****CheckPCSyncPrograms Start*****

20:48:07 : PCSyncPrograms Not Found - OK and ready to upgrade

20:48:08 : ****************CheckAndDownload********************

20:48:08 : ******Extract Start C:\KDZ_FW_UPD_EN\LG-SU640-V10F_00.kdz*****

20:48:08 : Model Dll Dir(C:\ProgramData\LGMOBILEAX\Phone\)

20:48:08 : File Size = 474536279

20:48:44 : Extract kdz file Success.

20:48:52 : Extracted C:\ProgramData\LGMOBILEAX\Phone\\V10f_00.wdb\n

20:48:52 : WDB(or DZ) FullPath(C:\ProgramData\LGMOBILEAX\Phone\\V10f_00.wdb)

20:48:52 : Extracted C:\ProgramData\LGMOBILEAX\Phone\\SU640_WD_1_1_3_0.dll\n

20:48:52 : Model dll FullPath(C:\ProgramData\LGMOBILEAX\Phone\\SU640_WD_1_1_3_0.dll)

20:48:52 : Extracted C:\ProgramData\LGMOBILEAX\Phone\\V10f_00.wdh\n

20:48:52 : NNNNN WDB FullPath(C:\ProgramData\LGMOBILEAX\Phone\V10f_00.wdb)

20:48:52 : NNNNN Model dll FullPath(C:\ProgramData\LGMOBILEAX\Phone\SU640_WD_1_1_3_0.dll)

20:48:52 : Extract End C:\KDZ_FW_UPD_EN\LG-SU640-V10F_00.cab

20:48:53 : ------------------Model.dll Information-------------------

20:48:53 : Filename : SU640_WD_1_1_3_0.dll

20:48:53 : Version : 1.1.3.0

20:48:53 : File size : 348160

20:48:53 : File date : 2011/10/27-17:09:48

20:48:53 : PC Created date: 2012/12/13-20:48:52

20:48:53 : ----------------------------------------------------------

20:48:53 : *****Check LGCM Programs Start*****

20:48:53 : LGCM Programs Not Found - OK and ready to upgrade

20:48:53 : *****WorkModelDLL Start*****

20:48:54 : strPhoneBinaryPath(C:\ProgramData\LGMOBILEAX\Phone\V10f_00.wdb)

20:48:54 : strModuleDir(C:\ProgramData\LGMOBILEAX\Phone\)

20:48:54 : strModelDLLPath(C:\ProgramData\LGMOBILEAX\Phone\SU640_WD_1_1_3_0.dll)

20:48:54 : _DetachDLL Call

20:48:54 : _DetachDLL Call End

20:48:54 : Call fn_StartUpgrade

20:48:54 : Phone mode change -> CSE

20:48:54 : ********* CDMA Model.dll input Parameter *************

20:48:54 : MODEL_EVENT : 32769

20:48:54 : PhoneBinaryPath : C:\ProgramData\LGMOBILEAX\Phone\V10f_00.wdb

20:48:54 : ModuleDir : C:\ProgramData\LGMOBILEAX\Phone\

20:48:54 : BootWaitTime : 49500

20:48:54 : UsbHighSpeed : FALSE

20:48:54 : PhoneMode : 4

20:48:54 : NewPhoneBinVersion : LG-SU640-V10F_00

20:48:54 : ClearSI : FALSE

20:48:54 : AuthMark : 0

20:48:54 : ********* CDMA Model.dll input Parameter End*************

20:49:14 : wParam : 2004, lParam = 90

20:49:14 : MODEL DLL Event : (2004, 90)

20:49:14 : Model Dll Msg Not Found(2004, 90)

20:49:39 : wParam : 2004, lParam = 91

20:49:39 : MODEL DLL Event : (2004, 91)

20:49:39 : Model Dll Msg Not Found(2004, 91)

20:50:04 : wParam : 2004, lParam = 92

20:50:04 : MODEL DLL Event : (2004, 92)

20:50:04 : Model Dll Msg Not Found(2004, 92)

20:50:29 : wParam : 2004, lParam = 93

20:50:29 : MODEL DLL Event : (2004, 93)

20:50:29 : Model Dll Msg Not Found(2004, 93)

20:51:05 : wParam : 2004, lParam = 94

20:51:05 : MODEL DLL Event : (2004, 94)

20:51:05 : Model Dll Msg Not Found(2004, 94)

20:51:30 : wParam : 2004, lParam = 95

20:51:30 : MODEL DLL Event : (2004, 95)

20:51:30 : Model Dll Msg Not Found(2004, 95)

20:51:55 : wParam : 2004, lParam = 96

20:51:55 : MODEL DLL Event : (2004, 96)

20:51:55 : Model Dll Msg Not Found(2004, 96)

20:52:39 : wParam : 2004, lParam = 97

20:52:39 : MODEL DLL Event : (2004, 97)

20:52:39 : Model Dll Msg Not Found(2004, 97)

20:52:49 : wParam : 2004, lParam = 98

20:52:49 : MODEL DLL Event : (2004, 98)

20:52:49 : Model Dll Msg Not Found(2004, 98)

20:52:59 : wParam : 2004, lParam = 99

20:52:59 : MODEL DLL Event : (2004, 99)

20:52:59 : Model Dll Msg Not Found(2004, 99)

20:53:09 : wParam : 2004, lParam = 100

20:53:09 : MODEL DLL Event : (2004, 100)

20:53:09 : Model Dll Msg Not Found(2004, 100)

20:53:19 : wParam : 2001, lParam = 0

20:53:19 : MODEL DLL Event : (2001, 0)

20:53:19 : Model Dll Msg Not Found(2001, 0)​