A kdi file extension is related to KD Player and used for skin image files.
KDI file extension - KD Player skin image
What is kdi file? How to open kdi files?
File type specification:
The kdi file extension is associated with the KD Player, a multimedia player for Java ME installed in various mobile phones.
The kdi file contains picture image used as a player's skin. It is stored in JPG, or PNG graphics file format.
This kdi file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.