It is necessary to update the firmware Version 2.00 of X-Pro1 body and XF lens at the same time.
The Latest FUJIFILM X-Pro1 Firmware Version: 2.0
The Latest FUJINON XF-Lens Firmware Version: 2.0
First, please update the firmware of X-Pro1 body.
Step 1. Download the firmware of X-Pro1 body.
Step 2. Update the firmware of X-Pro1 body.
Step 3. Download the firmware of the XF lens.
Step 4. Update the firmware of the XF lens.