Astro/Logitech support will always provide firmware recovery tools for free. If you need a very old version (a "downgrade" because a new update broke your specific setup), you can request the legacy file directly from Logitech Support via a support ticket—again, at no cost.
If your headset is stuck in bootloader mode (flashing red/white lights), ACC also offers a option for free. astro a50 gen 4 firmware free
Yes, but not from random file hosts. Official firmware files ( .afw or .bin ) are extracted temporarily during ACC updates. Advanced users sometimes share these for offline flashing via the in ACC. astro a50 gen 4 firmware free