If the software fails to find an update, you can try this Latest A50 Gen 4 Firmware File to update manually. How to Update Your Firmware
If the update fails midway:
If you own the Astro A50 Gen 4 wireless headset, you know it is a premium piece of kit. However, like any sophisticated gaming peripheral, its performance relies heavily on up-to-date firmware. Outdated firmware is the primary cause of the most common A50 issues: the base station not recognizing the headset, no game audio, microphone static, or the dreaded "Headset not assigned" error. astro a50 gen 4 firmware link