Roon ARC 'Poor connection' when playing Tidal on cellular

Support
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I cut down my setup description to the parts that are relevant to this issue.

Roon Core Machine

Debian 11.6
Leftover PC Engines apu2 system boards
AMD Embedded G series GX-412TC
2GB RAM

Networking Gear & Setup Details

Router: Fritzbox 3370 / OpenWrt 22.03.0-rc5
Core is connected to the router with a normal patch 6a cable.

Connected Audio Devices

Phone: Motoral Moto G6 (XT1925-5) with Android 9 PPSS29.55.37-7-10
Cellular: Alditalk (SIM cooperation is MEDIONmobile which uses ePlus and O2 networks)

Description of Issue

Roon ARC displays ‘poor connection’ with Tidal songs while using cellular data. Songs that i have saved on my Core machine are getting streamed over WIFI and/or cellular without a problem. It appears only with cellular only + Tidal.
If that helps i could run a tcp dump on my router to check if there are any incoming packages when i trigger this bug, but i doubt that would help as the communication with the core works as expected with local files.
I have tried it on another phone with another Alditalk SIM and it worked, it’s something about the Motoroal G6 phone. Yes i already reinstalled the app and also restarted the router.

As i am a software developer myself i would love to debug this myself, but i could not find any information about the error beside ‘Poor connection’. Maybe it would be a smart idea to enable something like a developer mode, so people who are able to could try to fix things on their own and/or provide some information to your dev team. Instead you just lament about the huge number of support requests… god knows why.

1 Like
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Hello, not sure if this is your issue but, turn off Automatically pick best quality. Select Original Format for WiFI and Celluar. That fixed my issue. On the Arc app. Jack

1 Like
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In a fast test, this fixed it! I will test it outside in the next days. If that works i will mark your reply as a solution.

Thank you so far!

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Okay, so far that is a working solution. But i noticed RoonARC now uses a lot of mobile data, i think internally now RoonARC streams Tidal song in HiFi quality. I don’t need that as my mobile headphones are not that good and also i don’t want to upgrade my mobile plan to get more mobile data.

So the bug can be summarized like that: RoonARC can’t stream Tidal tracks with lossy quality set.

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