F.audio Fa4 Firmware Upd ((better)) Jun 2026

Common version numbers look like v1.2 , v1.3 , v2.0 , or FA4_20230915 . The most recent stable version as of this writing is v2.2 (or equivalent, depending on regional releases). If your version is older than 12 months, you are almost certainly missing critical improvements.

: Official firmware and PC drivers (XMOS) are often hosted on cloud services or manufacturer-linked sites like TheHiFiCat (using extraction code: 6666). F.audio Fa4 Firmware UPD

floating around—avoid it! That version is for the "LIMETECC" rebrand and will result in an inverted screen and swapped controls on the standard FA4. Common version numbers look like v1