QUOTE (Photographer @ 2009-07-30 23:25)

The brand doesn't matter

I suggest you flash
K750 R1CA021 (or
W800 to gain walkman!

). In which country do you live? We need to know that to tell the version of the FS and custompack you need for your region.
First of all, I want to say thank you for your help so far and the fast responses too.
I live in Greece
Just loaded XS++ and here is the log
23:17:58| Baseband ID: 8040
23:17:58| Protocol Version: 3.1
23:17:58|
23:17:58| Sending db2010_cid00_prodid_p3l.bin...
23:17:58| Applet ID: 061113 1250 ALUCXC125872_COMPACTPRODUCTION_ID_LOADER P3L
23:17:58| This is a PRODUCTION_ID loader
23:17:58| Activating GDFS...
23:17:58| Phone name detected!
23:17:58|
23:17:58| Sending db2010_cid36red_flash_r2ab.bin...
23:17:59| Applet ID: 050425 0904 MATCXC1326738_COMPACTFLASHLOADER R2AB
23:17:59| This is a FLASH loader
23:17:59|
23:17:59| Profiling SEMC phone...
23:17:59| Platform: DB2010
23:17:59| OTP CID: 36
23:17:59| EROM CID: 36
23:17:59| EROM Color: Red
23:17:59| IMEI: 35784900xxxxxx
23:17:59| Phone ID:
K75023:17:59| Region: VFE_1
23:17:59| CDA: CDA102338/15 R22A
23:17:59| Firmware Version: R1N035
23:17:59| EROM: n/a
23:17:59| Ready for operation!
Seems there's a problem with EROM