You can try the following steps:
1. copy this .cab file to anywhere you can run it on your smartphone via activesync. (eg. copy to /storage/windows/start menu/games)
2. run the cab. (eg. start->games click the 8390.cab)
4. optional: you can remove previous MMS menu item in Chinese from /storage/windows/start menu/ via activesync.
You can run this cab after a hard reset. He can automatically turn the system to english after restart.