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This is a magnificent DAC. Well done! I have the F.1a firmware. Any reason to upgrade (Windows 11 / USB)? I have no issues so far. Where is the official site to download firmware upgrades when they are final? Thank you!
I just emailed someone through the Gustard website. The first response said it wasn't possible to update the firmware and the second email said there are no firmware updates. This is odd at best......
I just emailed someone through the Gustard website. The first response said it wasn't possible to update the firmware and the second email said there are no firmware updates. This is odd at best......
Changelog: Fixed the noise issue under some Linux based sources. Compatibility optimized. Sound quality reviewed. Reliability improved. Looking forward to getting your feedback.
The other way (harder) would be by desoldering the Flash EEPROM, reprogramming on a PC with a flash programmer, and resoldering again (need tools, skills, binary files, etc).
Good luck.
PS: I did plently recovering stuff by using JTAG myself (SFP fiber module, FTTH equipment, WiFi router, etc).