: A binary file with a .dat extension (the actual system software update).
Always format your SD card in the camera before copying the unzipped .dat file to the root directory for an update. Firmware: PXW-FX9 V4.00 | Sony USA PXW-FX9_V400.zip. 351MB. 2022. PXW-FX9_V400.md5. 32B. 2022. Drivers and Software updates for PXW-FX9VK | Sony USA
: Documentation detailing new features, fixes, and improvements included in that specific version.
When you download a firmware zip (e.g., PXW-FX9_V402.zip ), it generally contains:
: A small text file ( .md5 ) used to verify that the download is complete and not corrupted. Specialized Downloads
Beyond system firmware, you may find these other .zip resources: