Sony Ericsson Z750I

hi these are the specs of my fone

21:40:53| Hold 'C' button on phone and connect phone NOW.
21:40:53| You have 30 seconds...
21:40:53|
21:40:53| Baseband ID: C802
21:40:53| Protocol Version: 4.1
21:40:53| Phone name detected!
21:40:53|
21:40:53| Profiling SEMC phone...
21:40:53| Platform: DB3150
21:40:53| OTP CID: 52
21:40:53| EROM CID: 52
21:40:53| EROM Color: Red
21:40:53| IMEI: 35893601xxxxxx
21:40:53| Phone ID: Z750
21:40:53| Region: ROGERS
21:40:53| CDA: 1203-1820 R16A
21:40:53| Firmware Version: R1EA038
21:40:53| EROM: 1200-4341 SEMCBOOT R6A016
21:40:53| Ready for operation!

from xs++

anyways i want to unlock it....dosent matter if its a patch or permenent unlock..but i need the frim ware to make a vkp patch..anyone know howw?

or any other free way of unlocking it ( excluding jd flasheR)