Bei Fujifilm kann man Firmware-Version 1.01 für die Fujifilm X-Pro 1 runterladen:

http://www.fujifilm.com/support/digital_cameras/software/firmware/x/xpro1/index.html

Von der Web-Site:
"The firmware update Ver.1.01 incorporates the following issues:
1.Reduction of chattering noise from iris of lenses in shooting mode.
2.Improvement of phenomenon that parallax compensation does not work under condition of manual focus with OVF bright frame mode.
3.Improvement of phenomenon that OVF quality as low visibility due to too bright OVF under the condition of power save mode during pressing the shutter button halfway.
4.Improvement of phenomenon that delete function does not work after viewing continues shooting mode images."