Help flash w580i to enable Chinese

I would like to read/input simplified Chinese and hopeful can read tranditional Chinese as well on my w580i.
19:42:02| Platform: DB2020
19:42:02| OTP CID: 51
19:42:02| EROM CID: 52
19:42:02| EROM Color: Red
19:42:02| IMEI: 01127100xxxxxx
19:42:02| Phone ID: W580
19:42:02| Region: CINGULAR
19:42:02| CDA: CDA102774/102 R25A
19:42:02| Firmware Version: R8BE001
19:42:02| EROM: R3A022
Please let me know which files (main, fs, cust) I should use to flash my phone, thanks!