Mine too it’s been happening on and off for some time
I just want to be clear on this: my problem, in my original post, does not involve the core crashing. I can always recover from this scenario by quitting ARC and restarting it on my phone, no matter where on the planet I may be.
Ufff… guys… I thought I’d find some hope here 
I still hesitate to try out ARC because, I fear to spend too much time on dealing with problems.
Sure, a reliable connection is the most important base plus an application that can handle such wireless connections very well. And what is actually meant by “mobile”…?
Here in Germany reliable connections in urban or rural areas, on the road, on a train, on a bicycle etc. are depending on so many factors you can hardly influence. You have to take such connections just as they are. And for sure, you need a device and contract supporting suitable mobile network standards which are spread/covered VERY differently in Germany. So, even if I have a class A contract with massive (max.) bandwidth and, for sure, without data limit, I will get into connection issues sooner or later.
And we still talk about HQ audio, don’t we…?
Background downloading as some sort of buffer doesn’t seem to be of real help in such situations, does it? I don’t know the situation in “the” US, though.
To me it (naturally) looks like ARC relies on a nearly perfect wireless connection, whether you e.g. stay still or drive with a train, being away from home.
So, what do you say, in which situations can you really enjoy your music with ARC without any issues? And under what circumstances is it simply impossible to listen to uninterrupted music?
At all times, so long as I don’t start at home while I’m on WiFi and move to a cellular network.
Here in Berlin within city limits I can use ARC without problems wherever I go (but to be fair I barely ever venture outside of the S-Bahn ring). At Christmas on an ICE train for 10 hours from Berlin to Vienna (via Nürnberg, so western parts) and back, and within Austria, I could also use it nearly without dropouts. Though there were a few spots because it’s Germany, and I had some downloads to cover that. Within Austria (trains and a small town in Styria) I used it flawlessly, including during the train track over the mountains with many short tunnels that have no signal, but they are always just a minute or so.
Obviously, if you are in areas that have bad 4G/5G data coverage, and you know how it is, well, you won’t have mobile data.
And I do that all the time without thinking and never have a problem with that. Vodafone
And do you see a significant battery drain while running ARC?
No, not at all, according to the battery usage info, though using MUSE does add a bit as one would expect. Android 12, Fairphone 4. I even disabled battery management for ARC so that I can download in the background / when screen is off, and I haven’t noticed a significant battery drain increase from that when listening
Just because it works for you, does not mean ARC is reliable for all in any way as it has been for me. Roon ARC not showing any data being used with albums on hard drive ARC - #28 by sonic_fanatic
I’m still saddened by the fact it was more reliable for me as a beta tester traveling last summer, than it is now. Roon ARC not showing any data being used with albums on hard drive ARC - #28 by sonic_fanatic
Meant to tag @brian 
please make ARC better for all.
Android users really get a poor experience. Here I am sat at this years holiday home. The Wi-Fi router is next to me about 70cm away and has 50mbs download.
Here is what I get from ARC latest Android version on my DAP nothings changed since being at home.
Here is my iPhone same network same position.
Android netcode seems to be very broken as this happens to many many users.
I have the opposite experience, my Android devices are mostly reliable and my iPhone has gone back into a drawer as I was only using it for ARC.
Anything that can be this is unreliable if the wind changes direction is not ready for prime time
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And once again had to fully reset arc to get it to work. This really should not be the way, it’s a poor user experience.
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My recent experience has been relatively good (excluding forced logout and losing 100GB plus of downloaded music).
But when it poops the bed there seems to be no recovery possible and requires at least a reboot of the core which is difficult when you away.
Well I didn’t say that it is. I was just telling my personal experience just like you and others. Just because it does not work for you, does not mean ARC is not useable for anyone
My point is similar to my earlier comment on not useful comments on threads which has been commonplace in these forums for years. The OP brought up a relevant issue, as have others. How is it useful to say, “it works for me,” on a thread like this? There is too much not helpful commenting on threads which likely makes it even harder for Roon staff, moderators and us users to be able to discern how to have a better experience and improve Roon. I’m hoping that people who comment on threads can make comments that are useful to making progress and not forcing people to spend time reading through text that does not. There is only so much time in the day and shouldn’t we spend it well and if one does comment shouldn’t it help the community as a whole?
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I replied to a post specifically about experiences in Germany, which asked at the end:
I wrote about my personal experience in Germany and in which situations I can really enjoy my music with ARC without any issues. My experience in my limited situation (exclusively within city bounds and along main train connections) is just as valid an experience as others’ for whom it is unreliable.
My ARC experience changed entirely just very recently as we had cheap fiber install come through the neighborhood. We’ve been looking to kick Comcast to the curb for years. Anyway my connection was 500Mbps down/10Mbps up with Comcast. The experience, I thought at the time, was just fine for my needs. There’s no way to control the listening environment even in a closed moving vehicle. Gravity along with accel/braking, pitch, roll, and yaw-induced forces twist the air pressure in a closed vehicle during driving. But now with GoNetSpeed, my connect is a solid 1Gbps down/1Gbps up, and the only dropouts and poor connection messages I see now is in the usual areas where cell service and even terrestrial radio signals gets lost. Needless to say, less time fkin around now with the connection lets me have more time to deal with the ridiculous Android mess trying to get bit-perfect playback. A good upload speed seems to taken care of connection issues for me.
I definitely experience the same issue expressed in the original post. In all fairness, it also happens with Spotify from time to time when I move out of my wifi and go for a walk, but with Arc, it happens most of the time.
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I’m not saying your “experience” is invalid, I’m saying you and the person you are responding to and others before and on many cluttered threads are taking an OP off topic in the sense that you have no idea why the OP and others are having this specific issue. You saying it works for you or asking if it works for folks which we all know does for likely most users, i believe is not helpful commentary to help resolve this issue that is happening.
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Somebody asked if it’s working reliably for someone in Germany. I answered this question.
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