Some updates refine the way the player handles high-bitrate audio codecs or specific video signals. Step 1: Check Your Current Firmware Version

When the BDP-120 first launched, it was a capable mid-range player, offering 1080p upscaling, Dolby TrueHD, and DTS-HD Master Audio decoding. However, the Blu-ray format was still maturing. Unlike DVDs, which had a finalized specification, Blu-ray relied heavily on (Profile 2.0) and Java-based menus (BD-J) . These interactive features were often buggy and inefficient in early player implementations. Consequently, the first wave of firmware updates for the BDP-120 focused on resolving playback issues—specifically, the infamous "disc compatibility" errors. Users frequently found that newly released movie discs would either freeze at the menu or fail to load entirely. Updating the firmware was the only way to add new decryption keys and BD-J instructions to the player’s ROM.

Updating the firmware on a Pioneer BDP-120 is essential for fixing playback errors (like those found with certain discs like Knight and Day

Even with perfect preparation, things go wrong. Here is how to fix the most common issues.

Download the firmware ZIP file to your computer. Extract the contents; you should see a file with a .buf or .bin extension. Create the Update Media: