How to install Arabic language for Sony Ericsson W890! ?

Hello Guys
I am new here so please welcome me :D

guys can you tell me How to install Arabic language for Sony Ericsson W890! ?

Flash with:
W890_R1FA035_MAIN_GENERIC_AK_RED52
W890_R1FA035_FS_C-ASIA_RED52 and customize with
K850i_1206-5079_R12A_GENERIC_C-ASIA

How about my phone? i want to have Finnish language in it. I already downloaded those main and fs files in NORDIC, but i didnt find the right custom file. I tried that K850i_1206-5079_R12A_GENERIC_NORDIC-file, but it didnt work. The packages went into my phone very well but there was a text that said" contact in to your operator " in finnish. Help please...