Help unlocking W810i

I'ver been reading this forum for a few days now and still cannot unlock it as the firmware does not seem to be there in mbn format on my model.
I cant seem to find the firmware R4ED001 on mbn to use the SIMLockPatchGen.exe.
Found W810_R4ED001_FS_ORANGE_GEN_RED49.zip but its on fbn format.
Heres my details which i hope someone can help
Thanks

Profiling SEMC phone...
Platform: DB2010
OTP CID: 49
EROM CID: 49
EROM Color: Red
IMEI: 35462XXXxxxxxx
Phone ID: W810
Region: ORANGE_GEN
CDA: CDA102494/51 R12A
Firmware Version: R4ED001
EROM: n/a

Reflash with "generic" firmware(debrand):
W810_R4EA031_MAIN_GENERIC_HN_RED49,
W810_R4ED001_FS_EUROPE_5_RED49, customize with
W810_CDA102555_14_R2A_Generic_EUROPE_5, then you can easily unlock it.

Thanks, which software should i use.. i've tried xs++ which seems to be the most stable so far.

Right having more issues which i hope you can help..
downloaded W810_R4EA031_MAIN_GENERIC_HN_RED49,
W810_R4ED001_FS_EUROPE_5_RED49, customize with
W810_CDA102555_14_R2A_Generic_EUROPE_5, and now how do i go about flashing unlocking the phone tried to use SIMLockPatchGen.exe on both frimware and back to square one as both aree fbn files and not mbn? should i use a difference program?
Thanks

Finally unlocked it.
Heres the tip. best to download the tutorial for XS++ from Akshay's Webspace and the files are also there (note firmware does not have to be the same as that orignally on the phone but the mian and fs have to be the same along with the cus pack).
Did not realise the main flash was mbn and fs was the fbn, but since the tutorial it all makes sense and its plane sailing afterwards.