If you are uncomfortable with manual file editing, searching for a "Battlefield Hardline [Language] Repack" might be a viable alternative, though you must exercise extreme caution when downloading from unofficial sources.
Locate the string value named . Modify the path at the end of the string so it points to GdfBinary_en_US.dll instead of your old regional DLL (e.g., change GdfBinary_ru_RU.dll to GdfBinary_en_US.dll ). Step 4: Update the User Profile Configuration battlefield hardline english language files