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+--- Thread: upgrade DOS 2.1.0 RC4 (/Thread-upgrade-DOS-2-1-0-RC4)
upgrade DOS 2.1.0 RC4 - fracam - 16-Jan-2026
Hello, I have an expert 250 pro since 4 months and use it to stream qobuz through upnp using bubbleupnp. The experience is overall very satisfying. The HW is 6.2 and SW is 13.2.0 but DOS is 2.1.0 RC4 BK0. Do you think updating DOS to the last version 2.2.6 would bring any benefit ?
I do not use AIR because the AIR virtual sound driver cannot be loaded on my windows 11 machine.
thank you
RE: upgrade DOS 2.1.0 RC4 - blair.athol - 19-Jan-2026
(16-Jan-2026, 19:00)fracam Wrote: Hello, I have an expert 250 pro since 4 months and use it to stream qobuz through upnp using bubbleupnp. The experience is overall very satisfying. The HW is 6.2 and SW is 13.2.0 but DOS is 2.1.0 RC4 BK0. Do you think updating DOS to the last version 2.2.6 would bring any benefit ?
I do not use AIR because the AIR virtual sound driver cannot be loaded on my windows 11 machine.
thank you
Hello Fracam,
I would be cautious to upgrade to DOS 2.2.6 if it works for you to stream Qobuz throught upnp.
I am running DOS 2.2.6 and I cannot stream Qobuz through upnp using MConnect (bubbleupnp not available on iPhone to my knowledge).
I opened a ticket at Devialet last November and they promised a firmware update but nothing happened so far.
RE: upgrade DOS 2.1.0 RC4 - fracam - 20-Jan-2026
thank you, I will wait then because eveything works fine, may be I was right to be careful.
best regards