This firmware update (version 1.2.1) includes the following additional functons and improvements:
1. Three new languages (Russian, Traditional Chinese, and Korean) added to the camera menus.
2. Improvement in communication reliability when using some CF cards.
3. The issue of communication failure between the camera and some personal computers has been fixed.
This firmware update applies to cameras with firmware version up to 1.1.0 installed. If your camera's firmware is already version 1.2.1, it is not necessary to perform this update.