Did you check all your new Sonos products were fully updated - check again for any updates (just in case). Also (if not done already) remove the case/cover from your mobile device. Fully close (slide off screen) any/all other open Apps on the mobile too. Then try again with Advanced Trueplay.

If the issues persist… then I’d wait a few days to see if there are any ‘bug-fix’ updates released and then if the matter is not resolved, it maybe best to reproduce the Trueplay issue(s) seen and immediately submit a Sonos system diagnostic report from within the Sonos App, note it’s reference and contact/chat with Sonos Support Staff via this LINK and see what the Staff can perhaps suggest to help you to resolve the matter.

One further thing - ensure that your Apple iOS devices are using general-release production iOS software only. Sonos do not support any Apple beta OS platforms. It’s been highlighted here in the past where beta iOS setups on mobile devices have caused TruePlay to fail.

Yes my new Sonos products were fully updated. I removed case. General-release iOS 18.1 no success. 

All speakers on Sonos 16.4.4

What do you mean by “...it’s the short Trueplay” ?

They mean Quick tuning

https://support.sonos.com/en-gb/article/tune-your-arc-ultra-era-100-or-era-300-with-trueplay

It’s quick tuning. Ipad pro does not offer a choice between quick tuning and advanced tuning.

Good question.

I assumed that the OP was referring to ‘Quick TruePlay’ rather than ‘Advanced TruePlay’ just like we see with the Era speakers? … just a guess though on my part.

It should be fine with Quick TruePlay if that’s the case, as that’s what Android users would use anyway.

However, it would be nice to have ‘Advanced TruePlay’ working with the HT setup here too. Might just be some ‘teething’ issues perhaps, or just something awry with the iOS devices? - A little bit early to know what the issue is at this point, I guess.

I thought that’s what you were referring to, it depends on if the controller device has been certified for Advanced TP tuning, or not. Android users normally only see Quick TruePlay tuning too. 

@Michie123,

I’d leave the setup as it is with Quick TP tuning enabled for now and see if any bug fixes are released in the coming days. If not, then go onto report the matter to Sonos Support via the link in my initial post above.

Ok THANKS!

i have the same issue 

Same issue, along with many others here:

https://www.reddit.com/r/sonos/comments/1gf4cse/anybody_been_able_to_trueplay_their_arc_ultra/

If anybody from Sonos is interested, I ran a diagnostic ************

Moderator Note: Diagnostics recorded and removed. Modified in accordance with the Community Code of Conduct.

Hopefully it will get resolved in the next update - meanwhile you can always contact Sonos Support as mentioned in the post earlier in the thread. If ‘Quick Trueplay’ works, I’d also enable that for the time being (assuming it improves things to your own liking).

Neither option works, when trying using multiple IOS devices running different (non-beta) IOS versions.

I contacted to support this morning, who asked for another diagnostic and then suggested power cycling the soundbar.

Yeah it makes sense to try those things too. Hope you are able to get it sorted.

I found a solution for me. I removed my surround speakers (era 100) from the configuration. I tried advanced trueplay it worked. I then added my surround speakers and redid advanced trueplay and BINGO it works. The problem was probably with the initial installation of the surround speakers.

I ended up finding a simpler solution. Following advice from a Reddit user, I disconnected the Ethernet cable from the Arc Ultra (the only “hardwired” speaker in my setup). This was creating an unnecessary SonosNet network for the rest of my devices, potentially causing interference with other wireless devices on my network. My setup includes a Playbar, Era 100, two Era 300s, a Sub Gen 4, and a Move 2.

After disconnecting the Arc Ultra’s Ethernet cable, I was able to run both Quick and Advanced Trueplay tunings. However, I'm unsure if the settings from either tuning are actually saving, as I can still manually adjust the distance of the rear surrounds—which, as I understand, shouldn’t be possible if Trueplay has been successfully applied. Plus, the app prompts me to run Trueplay every time I select the Living Room, as though it hasn't registered. Quite odd.

A heads-up: multiple Reddit users have reported that bass from the Sub seems to be reduced after running the Advanced Trueplay tuning, though this issue doesn't appear with the Quick tuning. It might be something to keep in mind.

If TruePlay has worked for you, you should see the toggle button to disable/enable TruePlay in the room TruePlay settings and there’s also the option to retune the Arc Ultra Home Theatre. See attached and maybe check to see if those are present in your Sonos App.

I see, thank you for confirming my concerns! Unfortunately, I’m not seeing the toggle anywhere, so it might be time to submit another diagnostic.

Another odd issue I noticed is that even after disabling the option to turn off the LED lights on the speakers, a white light remains on top of my Era 300s. Shouldn’t these be off as well? The LED on my Arc Ultra is off as expected.

The Arc Ultra does not create SonosNet when connected by ethernet.

It sounds like you’re perhaps referring to the mic LED, as the status LED on an Era 300 is on the front panel rather than on the top of the speaker.

Yes they must be - any way these can be disabled, do you know?

Because of privacy concerns, the mic light is hardwired to the mic power and cannot be turned off without turning off the mic. 

I assume you have a voice assistant installed on the Era 300’s… to switch off the mic LED simply tap the speech bubble icon by the LED - it should turn it off - Note: it will, in that state, allow you to ‘push-to-talk’ to the voice assistant by holding your finger on the speech bubble icon on the player. To turn the mic off ‘permanently’ though, you can switch off the mic switch on the rear of the player - also note this will stop Quick Trueplay Tuning working on the HT room too. I hope that assists.