It is very simple, install the xap (need to have the phone unlocked), after installing the program will touchexplorer to my ringtones folder and rename the file, sticking out the extension. wma
would file this name: dictionary.0409.dat I cut and pasted in the windows folder of the phone (asking whetheryou want to replace and say it did) .
Restart the phone and ready ... the Spanish dictionary ...
I can pick up other languages, but for now only supported by windows ...
I read his comments, I hope you find it helpful.