Firmware updates for the Pioneer VSX-920 offer several benefits, including:

The Pioneer VSX-920 is a mature, stable device. Unless you experience specific HDMI audio dropouts, leave the firmware alone. For most owners today, the best "update" is using it with optical/coaxial inputs for clean 5.1 audio from a modern TV.

The firmware update is primarily performed via a

: If the unit becomes unresponsive (e.g., a flashing "Advanced MCACC" light), you may need a manual reset rather than a software update. For the VSX-920, this is done by holding the MULTI-ZONE SELECT buttons simultaneously for five seconds. Firmware Limitations

If a new version is available on the Pioneer Support page , follow these steps: How to update firmware on pioneer touchscreen