GPD WIN 5 — BIOS v2.25
Current BIOS for the gpd-win-5. AMD updated the BIOS code; this is a completely new version. No rollback to older BIOS versions after upgrading.
Install
In Windows, extract the archive (WinRAR password 123), then double-click to execute. The device auto-restarts into the BIOS interface, performs the flash, and shuts down automatically. A manual restart follows.
Device must be on mains power during the upgrade.