Thanks to LG who has released an updated Rom V10D for the LG Optimus GT540. If you are the LG Optimus GT540 Android users, congratulations, now you can update your phone to the V10D version from this site. LG Cell Phone Software
To Download the Updated Rom V10D for your LG Optimus GT540:
How to upgrade your LG Optimus GT540 to V10D Steps: LG Android Phones
LG Optimus GT540 Android Phone Photos – LG Cell Phone Pictures

LG Cell Phone – Related Posts
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I NEED RESUME
hello friends i am geeting error while upgrade to normal rom to fastboot rom 2.1 (my current rom is v20c india room)
please help me
[00:07:23:662] : =============================================
[00:07:23:662] : Log is started on 01.01.2006, at 00:07:23:662,
executable: C:\Robin\New folder\KDZ Updater\KDZ_FW_UPD.exe (ProcID: 0x00000e08),
compile time : Sep 8 2010 17:19:53
[00:07:23:662] : Version :
[00:07:23:662] : strFilename1 = eur
[00:07:23:693] : m_DlMode = 4, m_strBinaryPath = C:\ProgramData\LGMOBILEAX\Phone\europen+fastboot.dz, m_nSelectedImages= 70787108
[00:07:41:302] : Start Web Downloading
[00:07:41:302] : Get Usb Port
[00:07:41:365] : rsi.strFriendlyName=Communications Port (COM1)
[00:07:41:365] : Remove Communications Port (COM1)
[00:07:41:365] : rsi.strFriendlyName=Communications Port (COM2)
[00:07:41:365] : Remove Communications Port (COM2)
[00:07:41:365] : rsi.strFriendlyName=LGE Bluetooth TransPort (COM6)
[00:07:41:365] : Remove LGE Bluetooth TransPort (COM6)
[00:07:41:365] : rsi.strFriendlyName=LGE Android USB Serial Port (COM8)
[00:07:41:365] : FriendlyNameList[iii].szFriendlyName=LGE Android USB Serial Port
[00:07:41:365] : rsi.strFriendlyName=LGE Android USB GPS NMEA Port (COM9)
[00:07:41:365] : Remove LGE Android USB GPS NMEA Port (COM9)
[00:07:41:365] : WM_COPYDATA ¸Þ½ÃÁö º¸³¿ 1 – COM8
[00:07:41:365] : Port = COM8
[00:07:41:365] : Clear
[00:07:41:365] : Clear
[00:07:41:380] : >> DIAG_STATUS_F FAILED
[00:07:41:396] : >>Get Model Name [DIAG_VERNO_F]
[00:07:41:396] : Clear
[00:07:41:412] : strModel = GT540
[00:07:41:412] : Read NV item: 71 NV ITEM 71 [71]
[00:07:41:412] : Clear
[00:07:41:427] : CSW
[00:07:41:427] : Banner : CSW
[00:07:41:427] : WM_COPYDATA ¸Þ½ÃÁö º¸³¿ 0 – GT540
[00:07:41:427] : >>Get Mobile SW [DIAG_EXT_BUILD_ID_F]
[00:07:41:427] : Clear
[00:07:41:443] : GT540-M76XX-V20c-DEC-03-2010-XX
[00:07:41:443] : strFilename = GT540-M76XX-V20c-DEC-03-2010-XX
[00:07:41:443] : strFilename = V20
[00:07:41:443] : Flag_Phone_BIN_Eclair = TRUE
[00:07:41:443] : Clear
[00:07:41:458] : Write NV item:9028 NV ITEM 9028
[00:07:41:458] : 9028 – NV_DONE_S Item
[00:07:41:568] : _DloadMode()
[00:07:41:568] : ¸Þ½ÃÁö º¸³¿ TYPE_WPARAM_CHANGE_DLOAD 4
[00:07:41:568] : >>Change Offline Mode [DIAG_CONTROL_F/Mode = 1]
[00:07:41:568] : Clear
[00:07:41:583] : >>Change Dload Mode [DIAG_DLOAD_F]
[00:07:41:583] : WM_COPYDATA ¸Þ½ÃÁö º¸³¿ 3 – DLOAD
[00:07:41:583] : Clear
[00:07:41:583] : 2_DIAG_DLOAD_F DLOAD_RESET_F do not wait for response
[00:07:41:583] : #ifdef FEATURE_L4
[00:07:41:583] : Clear
[00:07:41:583] : WM_COPYDATA ¸Þ½ÃÁö º¸³¿ 3 – Close Port
[00:07:41:583] : Close Port<<
[00:14:21:593] : OPEN_PORT_FAIL
[00:14:21:593] : TYPE_WPARAM_UPGRADE_ERROR
[00:14:21:656] : ¸Þ½ÃÁö º¸³¿ – TYPE_WPARAM_UPGRADE_ERROR Error Code = 6
[00:14:21:671] : Log finished