Usar la aplicación APKPure
Obtener User Dictionary Backup versión histórica en Android
Copia de seguridad de su diccionario personalizado
UDB (User Dictionary Backup) allows you to Backup and Restore words you stored manually in the Dictionary. It also allows you to import words from a .txt list of words (each in a new line, placed in the "UserDictionaries" Folder.)
**This App might not work on Phones which provide their built-in Backup/Restore options for the User Dictionary.