On the remote, press HOME MENU → System Setup → Other Setup → Firmware Update → Version .
Identify if you need specific tech like Dolby Atmos or high-resolution Bluetooth. installing the update, or are you trying to troubleshoot a specific error during the process? HTP-076 - Updating Firmware - Pioneer Support pioneer htp076 firmware update exclusive
If your unit is powering on but producing no sound, you can attempt the (System Reset) before seeking professional firmware flashing. This is a sequence not found in the standard user manual but documented in the service schematics. On the remote, press HOME MENU → System
, which expand the system's ability to create virtual surround sound from standard stereo inputs. Dolby Atmos Height Virtualizer : Firmware enables the Dolby Atmos Height Virtualizer On the remote