Default Sony Ericsson Aspen (M1i) flash??

Hi guys, please I need help!!!
I have a Sony aspen m1i, and it's in Italian language...
How can I flash to make it English...
I have this flash files, And I don't know how to flash them:
R1A_R1AB038_FSP_M1i_GENERIC_INT_WINMOBILE_ROW_1241 _0438_S1_SW_LIVE_3EDC_0001_S1_PARTITION_WITH_SPARE 2.sin_file_set
R1AB038_APP_SW_M1_GENERIC_1238_7064_S1_SW_LIVE_3ED C_0001_S1_PARTITION.sin_file_set
....
Thanks anyway...