You should enter a black screen with Chinese or English text (Recovery Menu).
Community forums like XDA Developers, Reddit (r/Pico_VR), or dedicated Pico enthusiast Discord servers.
Copy the downloaded update.zip firmware file into that dload folder. Turn off your headset completely. pico 4 firmware downgrade free
Enable on your Pico 4. (Go to Settings > General > About > Click "Software Version" 7 times).
(Optional) For a permanent fix, some users block the Pico update servers via their home router settings. Conclusion You should enter a black screen with Chinese
The Pico 4 is one of the best standalone VR headsets on the market, but sometimes a software update can do more harm than good. Whether you’re experiencing performance dips, tracking issues, or you want to regain compatibility with specific sideloaded apps or developer tools, you might find yourself wanting to go back to an older version.
Some users feel the UI or "Passthrough" quality changes between versions. Turn off your headset completely
Since Pico doesn't host an archive of old firmware, you will need to source the "Offline Update" zip files.