Originally Posted by Doitsu
On the K3, it's only necessary to define a default dictionary, if you have several dictionaries for the same language or if you want to read a .pdf file.
Can you copy both files and try to look up one of the first 4 words?
Again, Fire comes with one dictionary, and you can't add any others AFAIK. Perhaps when it is updated to add other UI languages that will change.