W890i R1FA035 language change

Hi,
I want to change language to Central-European in my W890i. The identity log is:

OTP LOCKED:1 CID:52 PAF:1 IMEI:XXXXXXXXXXXXX CERT:BROWN
Model:W890i
MAPP CXC article: R1FA035 prg12009164_GENERIC_AK
MAPP CXC version: R1FA035
Language Package:WESTERN-EUROPE
CDA article: CDA12345678/123
CDA version: R11A
Default article: 1200-9451
Default version: R1FA035
Operator: 000-00

As you can see, it has the latest R1FA035 firmware and BROWN certificate. I have downloaded two files from topsony:

W890_R1EA033_MAIN_GENERIC_AK_RED52.mbn
W890_R1EA033_FS_CENTRAL-EUROPE_RED52.fbn

The questions now are:
1. Will it change my BROWN certificate to RED? If so, what are the consequences (will I be able to update the firmware again later)?
2. Can I flash FS only to keep the newest firmware I have and change the language at the same time?
3. What software should I use, A2Uploader or maybe anything else?

Many thanks

Since I didn't get any replies for one week, I have decided to go for it.
Unfortunately I wasn't able to flash my phone at all, as A2Uploader returned an error. Log below. Any ideas?

ChipID:C900,EMP protocol:0401
BOOTROM MODE DETECTED
OTP LOCKED:1 CID:52 PAF:1 IMEI:XXXXXXXXXXXXX CERT:BROWN
LDR:2008-07-23 12:03 CXC1250843_DB31XX_CS_LOADER_ACC_SDRAM_R2A065
LDR CAPS:SYSTEM FLASH SIGNATURE AUTH
LDR:2008-07-23 12:03 CXC1250780_DB31XX_CS_LOADER_APP_SDRAM_R2A065
LDR CAPS:SYSTEM FLASH GDFS FILESYSTEM TA
writing "E:\W890i\Firmware\W890_R1EA033_MAIN_GENERIC_A K_RE D52.mbn"
ALLOWED DOMAINS:BLUE BROWN RED
MAXIMUM CID:52
HDR block not accepted,error:101D
Elapsed:16 secs.

Get exactly same error message, using RED SE W890i, trying to flash to W890_R1EA033_MAIN_GENERIC_AK_RED52.

Quote:

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Originally Posted by mb1234

Hi,
I want to change language to Central-European in my W890i. The identity log is:

OTP LOCKED:1 CID:52 PAF:1 IMEI:XXXXXXXXXXXXX CERT:BROWN.....

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Your certificate is BROWN and you try firmware for RED certificate ? - this is wrong !
Change from BROWN to RED and then flash.