Original xd-05 firmware update? Home › Forums › Ask your question › Original xd-05 firmware update? This topic has 1 reply, 2 voices, and was last updated 2 weeks ago by xDuoo official. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts January 6, 2021 at 11:50 am #2287 01psParticipant Is there a firmware update for the original xd-05? S/n 00400607041. Filters don’t seem to be working? January 6, 2021 at 11:50 am #2302 xDuoo officialKeymaster Hello, the latest firmware is USB V4.86, You can find it here, https://www.xduoo.net/firmware-download/ Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In Log in / Register