I will try to do this, but hope you can use the guide.

How to update my firmware to 2.2?
Open REGEDIT and you are good to go.

How to update my firmware to 2.2?

How to update my firmware to 2.2?

How to update my firmware to 2.2?
Remember to install KIES in the old version the one that ends with 93.82 otherwise you cannot make this work. When you have installed the program connect your phone to KIES and DO NOT UPDATE Kies, say no to updating. When the phone are connected it will generate the values on the picture(DeviceDB) if you do not do this the values will not be in the database.
Remember NOT to close KIES and have a fully charged phone.

How to update my firmware to 2.2?
Now we are ready to start changing the values in the database. First the following:

How to update my firmware to 2.2?

How to update my firmware to 2.2?
The Values for the things to change are:
"SoftwareRevision"="I9000XXJF3/I9000SWC/I9000XXJF3/I9000XXJF3"
"ProductCode"="GT-I9000HKDXEE"
"HIDSWVER"="I9000XXJF3/I9000SWC/I9000XXJF3/I9000XXJF3"
"DEVCONINFO"=" MN(GT-I9000);VER(I9000XXJF3/I9000SWC/I9000XXJF3/I9000XXJF3);HIDVER(I9000XXJF3/I9000SWC/I9000XXJF3/I9000XXJF3);PRD(GT-I9000HKDXEE);SN();IMEI(###############);PN( );CON(AT,MTP,MTP);LOCK(FALSE)#OK#OK"
When you are finished we only need one more thing.

How to update my firmware to 2.2?
Exit REGEDIT and go to KIES, update phone and you should be on your way.