Ok I finally made it to flash my phone and debrand it, but now when I try to use the sim lock patch generator something strange happen.

here is log :

Welcome to SEtool2 ( LITE edition ) v 1.11
supported DB2010/DB2012 CID49/50/51/52, DB2020 CID49/51/52
Loaded 51 flash descriptors

if you like LITE edition - please visit http://www.setool.net and buy FULL.

Going to execute VKP script....
ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:52
Speed:921600
Trying to launch embedded bootloader...
Abort all operations.
embedded flashloader not responds !
Elapsed:21 secs.
Here is what happen:

As soon as I press C and instert USB file transfer mode goes on and screen turns on.
Then SETOOls said if nothing happens in 15 seconds to press STOP button which I did.

Can anyone pls advise me what to do.

And yeah btw here is log of my identify :

Welcome to SEtool2 ( LITE edition ) v 1.11
supported DB2010/DB2012 CID49/50/51/52, DB2020 CID49/51/52
Loaded 51 flash descriptors

if you like LITE edition - please visit http://www.setool.net and buy FULL.

ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:52
Speed:921600
Flash ID check:897E
Flash props sent ok
OTP LOCKED:1 CID:51 PAF:1 IMEI:35223902022587 CERT:RED
FLASH CID:52 COLOR:RED

Model:K770i
Brand:MOBITEL
MAPP CXC article: R8BA024 prg1201-7587_GENERIC_VI
MAPP CXC version: R8BA024
Language Package:S_E_EUROPE
CDA article: 1202-3377
CDA version: R3A
Default article: 1201-7603
Default version: R8BA024

Network LOCKED
Operator: 293-40

Elapsed:4 secs.
Regards Sin