Вот что пишет при определении
welcome to setool2 lite edition v 1.08
supported DB2010/DB2012 CID49/50/51/52, DB2020 CID49/51/52
Loaded 51 flash descriptors
ChipID:8040,EMP protocol:0301
OLD EROM, OVERRIDING COLOR
OLD EROM, OVERRIDING CID
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:49
Speed:921600
Flash ID check:200D
Flash props sent ok
OTP LOCKED:1 CID:36 PAF:1 IMEI:35656789655227 CERT:RED
FLASH CID:36 COLOR:BROWN
MAPP CXC article: R1CA021 prgCXC1250514_EU_1_CR
MAPP CXC version: R1CA021
Language Package:CHINESE
CDA article: CDA102495/110
CDA version: R2A
Default article: cxc1250522
Default version: R1CA021
Operator: 000-00
USERCODE:0000
Elapsed:7 secs. Client Version 13.7 - K750 Flasher
**** READING CID STARTED ****
Turn off the phone.
Hold "C" button and plug USB cable.
Phone Attached!
Detected SonyEricsson: K750/D750.
Phone Color BROWN
Flash ID: 200D
Status Ok, OTP Close, CID36, PAF1
IMEI: 356567-89-655266
Phone CID 36
You must use CID36 Flash Files For this phone!
Press "Flash Files" Tab and download free firmware
Execution Time - 00:00:06
Done!
ну и какой это у меня телефон???
В асе: 
