iUSBHD firmware v24 Kelvin October 24, 2016 23:18 Follow Here is the firmware v24 for iUSBHD device IUSBHD.SEF (7 MB) Have more questions? Submit a request 2 Comments Date Votes 0 onlyoneme May 23, 2015 09:00 v24? Why's that? The latest one is v28... 0 Kelvin May 31, 2015 03:06 @onlyoneme It is for the users who experience a corrupted firmware when their unit are still in firmware v24. So they can reinstall the firmware and then update to the latest one. Please sign in to leave a comment.