How to change to Vietnamese language Sony W580i

Att phone. Can I do some to have Vietnamese and Chinese language on this phone? What file I have to flash?

Thanks

Languages Description

Connect your phone to xs++ and copy here your phones log without IMEI number.

Have a nice day

APAC 1 containts
English - Indonesian - Malay - Philippine-Tagalog - Vietnamese - Chinese

VIA xs++
before you start flashing show your phone log here without imei number so we can give you the best advice or method on what to do.
plus you will soon need to back up GDFS before you start flashing.

Welcome to SEtool2 ( LITE edition ) v 1.11
supported DB2010/DB2012 CID49/50/51/52, DB2020 CID49/51/52
Loaded 51 flash descriptors

if you like LITE edition - please visit Index of ./ and buy FULL.

ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:52
Speed:921600
Flash ID check:897E
Flash props sent ok
OTP LOCKED:1 CID:51 PAF:1 IMEI:0xxxxxxxxxxxxxxx CERT:RED
FLASH CID:52 COLOR:RED

Model:W580i
Brand:Sony Ericsson
MAPP CXC article: R8BE001 prgCXC1123476_CHINA_LA
MAPP CXC version: R8BE001
Language Package:S_ASIA_LEVAN
CDA article: CDA102568/7
CDA version: R8A
Default article: cxc1123364
Default version: R8BE001

Network LOCKED
Operator: MULTIPLE

Elapsed:10 secs.