lg-sh640 unlock by octopus......done[Reference]
open octopus lg software
go to infineon and select model
connect fully powered phone
then click read phone info...
next click unlock ............
ang nangyari sa akin sh640 ang phone pero pag click ko ng read phone info detected as KH6400 ang phone software nya.kaya kh6400 ang logs nya, yan na kase ang ginamit ko.

Welcome to Octopus Box LG Software version 2.1.4
--------------------------------------------------------------------------------
Platform: LG Qualcomm
Selected port: COM22
Selected model: SH640
Mode: Normal
Phone model: KW640806
SW Version: M6281A-KLRZ-4.0.9530T
IMEI: 353068-02-002802-3
Bluetooth address: 00:00:00:00:00:00
Firmware compiled date: Jan 07 2008
Firmware compiled time: 19:00:00
Firmware released date: Apr 23 2008
Firmware released time: 13:00:00
--------------------------------------------------------------------------------
Platform: LG Qualcomm
Selected port: COM22
Selected model: KH6400
Mode: Normal
Phone model: KW640806
SW Version: M6281A-KLRZ-4.0.9530T
IMEI: 353068-02-002802-3
Bluetooth address: 00:00:00:00:00:00
Reading NVM...
Reading NVM done!
--------------------------------------------------------------------------------
Platform: LG Qualcomm
Selected port: COM22
Selected model: KH6400
Mode: Normal
Phone model: KW640806
SW Version: M6281A-KLRZ-4.0.9530T
IMEI: 353068-02-002802-3
Bluetooth address: 00:00:00:00:00:00
Checking security...OK
Prepairing loader...OK
Sending loader...OK
Searching signatures...
Signature #1...OK, not patched
Patching...
Signature #1...OK
Phone successfully unlocked!
Rebooting phone...
go to infineon and select model
connect fully powered phone
then click read phone info...
next click unlock ............
ang nangyari sa akin sh640 ang phone pero pag click ko ng read phone info detected as KH6400 ang phone software nya.kaya kh6400 ang logs nya, yan na kase ang ginamit ko.

Welcome to Octopus Box LG Software version 2.1.4
--------------------------------------------------------------------------------
Platform: LG Qualcomm
Selected port: COM22
Selected model: SH640
Mode: Normal
Phone model: KW640806
SW Version: M6281A-KLRZ-4.0.9530T
IMEI: 353068-02-002802-3
Bluetooth address: 00:00:00:00:00:00
Firmware compiled date: Jan 07 2008
Firmware compiled time: 19:00:00
Firmware released date: Apr 23 2008
Firmware released time: 13:00:00
--------------------------------------------------------------------------------
Platform: LG Qualcomm
Selected port: COM22
Selected model: KH6400
Mode: Normal
Phone model: KW640806
SW Version: M6281A-KLRZ-4.0.9530T
IMEI: 353068-02-002802-3
Bluetooth address: 00:00:00:00:00:00
Reading NVM...
Reading NVM done!
--------------------------------------------------------------------------------
Platform: LG Qualcomm
Selected port: COM22
Selected model: KH6400
Mode: Normal
Phone model: KW640806
SW Version: M6281A-KLRZ-4.0.9530T
IMEI: 353068-02-002802-3
Bluetooth address: 00:00:00:00:00:00
Checking security...OK
Prepairing loader...OK
Sending loader...OK
Searching signatures...
Signature #1...OK, not patched
Patching...
Signature #1...OK
Phone successfully unlocked!
Rebooting phone...