Could you please try the latest version of the test firmware? Just use the default EDID. If it still doesn't work, please provide the DEBUG LOG to us again
https://fw.gl-inet.com/kvm/rm1/test/glkvm-RM1-1.2.1-0508-1746697385.img
Please note that when updating from a lower version to this one, you may get stuck on the upgrade page and not be redirected. The upgrade usually only takes about 2 minutes. Refreshing the page will not cause any problems. Please refresh directly