Emergency! Must downgrade new app ASAP

No Timer; no volume button; and no way to switch to another network. Plus lots of trouble figuring out what had been intuitive on every Sonos app over the nearly 20 years I have been using Sonos and upgrading $$$.  
CAN YOU JUST DO WHAT COKE DID TO NEW COKE AND GET RID OF THIS APP IMMEDIATELY.  WHY CAN’T YOU JUST REVERT BACK TO THE 2023 VERSION.  

THIS APP IS JUST AWFUL 

@Briarcliff 

No volume button? What do you mean? 

Unfortunately, there is no iOS methodology for rolling back an app. Even an iOS backup doesn’t help, as it stores a simple ‘pointer’ to each app … during a restore from backup, the latest version of each app is pulled from the app store.

Actually there is.

Okay. Go on?

To downgrade the Sonos app to version 16.1 (build number 864228318), you'll need a Windows machine, iTunes 12.6.5, Charles Proxy, and an application to install the IPA file onto your device, such as iMazing or AppManager.

First, download and install the old version of iTunes (12.6.5) on your Windows machine. This version of iTunes allows you to download an IPA file from the App Store. Next, set up Charles Proxy and use it to set a breakpoint on the API call that downloads an app. Thien override the iTunes API call with the version number of the old Sonos app. Once you have the old Sonos IPA file, use an application like iMazing or AppManager to install the IPA file onto your device.  I use IImazing but I expect most people would prefer AppManager.

Do a goole search on  “Downgrade Apps on AppStore with iTunes 12.6.5 & Charles Proxy site:github.com” for very well-written and detailed instructions. The only other advice I would add is to use 100% scaling on your display when running Charles Proxy. That application does not work well with a scaled display.

Is that helpful?

Unfortunately the mods did not let me post my instructions.  To be more specific, it seems they blocked it.

There is well written documentation on github regarding how to downgrade apps on the appstore.  It does not require a jailbreak.  

Moderator edit: nothing was blocked - the system thought your previous post was spam due to all the numbers

Moderator edit: nothing was blocked - the system thought your previous post was spam due to all the numbers

Thank you for that.  

Here is a version of my instructions without alot of numbers:

You need to install iTunes 12.6.5 on a Windows machine and adjust its settings to prevent updates. Then, install Charles Proxy and set up a Root Certificate to intercept the app download request. Once set up, create a breakpoint in Charles Proxy to intercept the download process, allowing you to download the desired older version of the app (IPA file).  You will need the build number for the old version, which can be found in ipaarchive.  Finally, you can install the downgraded IPA file onto your device using Imazing (which I did) or AppManager (which is probably what most people will want to use).

Where are you getting the 16.1 ipa file. Couldn’t get it from ipaarchive?

You get the build number of 16.1 from ipaarchive.  You get the actual file from itunes using Charles Proxy as I have outlined.

You go to https://ipaarchive.com/.  Type in Sonos and your country. Click download on icon, download again on the landing page.  There will be a list of versions.  You should see the build number and release date for the version you want: