Came home from holiday to a notifaction of a Muso2 firmware upgrade. The unit and app have,as a result entered entered a doom loop. No way out. Constant purple light then switched off.
Please no geeky patching or pasting suggestions. I am an architect, not a software engineer. I need to be able sort sort the problem by prssing a button. I now have a very expensive and redundant black box looking at me.
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Trevor, a solid purple indicator means that the Mu-So2 has not been able to connect to a network.
I would unplug the Mu-So2 from the mains. Make sure your App is fully up to date. Power cycle your router and make sure it’s connected to the internet. Then plug in your Mu-So2 ensuring it is positioned so it has a good strong wifi signal if you are using wifi to connect to the 'net.
If still no joy, then reset the Mu-So2 by pressing the reset button (you will need a paperclip or similar to this as the tiny button is recessed in a pin hole). Then set up the Mu-So afresh through the App.
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If Richard’s good advice, doesn’t work for any reason, it would be wise to move the Muso, such that you can use a patch cable to connect to your router, then continue as suggested.
If my lovely cleaning lady can set up a Qb2 without issue, you should be able to achieve the update regardless of profession! Regrettably, not all wifi networks are equal - hence the patch cable. Once updated you can return the Muso to its usual position and it should then reconnect without issue.
What Richard says is very sound. Make sure your network is working properly as a good first step.
All done as per the instruction manual. More than once. Still in the doom loop.
Then probably best contact Naim support (support@naimaudio.com) or your dealer for further assistance.
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Have you connected your Muso by patch cable? If not that will be the advice from support.
Switch off the Muso, reposition, connect via patch cable to router, then power up and follow the instructions.
I’ve the same issue with a Uniti Star. I’ve been able to get it working on wired internet connection with a fresh firmware update that Naim provided. It’s still a little unstable, but works with a wired connection if I don’t turn it off. But it will no longer connect to Wi-Fi.
If you have tried the factory reset, I’d ask Naim for the firmware to install. But that is not you “push a bottom” fix.
Good luck.
Hopefully, without sounding patronizing…if the wireless connection is unstable, it could suggest you are using the wrong WiFi bandwidth. I forget if the Muso uses 2.4 or 5 Ghz; but if you are trying to connect to the wrong one it could be issue. I have faced this issue with other non-Naim products in the past 
Also this!
Done everything, up to and including the factory reset. It strikes me that there so e fundamental ussues with the programming.
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That usonly to mask a fundamental fault witht system. It is not a solution.
It has been connected and working for three years including the past year with a fibre optic supply. The app confirms that I have the best possible wfi signal.
Way beyond me and onky nasks a fundamental fault withthe produect.
???
Martin
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Why ask for help and advice if you just want to complain about it??? Speak to someone else if that is what you want to do…
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Peps here are trying to help. If you would rather criticise the product and process than try the solutions proposed, that is up to you.
You admit not knowing technical aspects of networks, so a patch cable will do no harm.
However good you consider your wifi, other peps have successfully updated, either via wifi or wired ethernet. If your unit is a Muso 2, the. this has improved wifi versus the earlier version, but issues can still arise.
Please remember, the spirit of the forum is friendliness, so repeatedly being negative towards the several peps on this thread, all trying to offer practical thoughts, likely after successfully updating their own units, Muso2 here, is discourteous.
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Trevor, I have messaged you. As per my earlier post, if you ae still having issues then I would advise you to contact the Naim support help desk, or get in touch with your Naim dealer.
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Firstly I would point out that I have made it ciearv
that I have followed the manufacturers instructionsto the letter.
I have criticed nobody but am wary of suggested fixes such as were offered before when BBC Radio was regularly dropping out. A problem which I was still exoeriencing last December.
Given that the product is designed completey around wireless connectivity, the reason I bought it, to fail in this aspect is a major flaw and one in which I have no hesitation in expressing my frustration.
I do not feel the need to be an apologist for Naim. I am, after all, a client.
Thank you. I have just send them a detailed email. I it had veen on my agenda to make direct contact Thee details are rather obsured amidst their their wordy documantation.
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