I have the PC App: Version 17.2.2 Build 90068190 and iPhone App Build: 83.01.11 - Most of my SONOS hardware is on Version 18.2 (build 94175110) with the exception of the BOOST Version 17.2.4 (build 86675110) and the Guest Playbase Version 17.2.4 (Build 86675110).
Does all of the SONOS hardware have to be at the same version level?
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Best answer by Stanley_4
You should be able to confirm the latest updates by looking at the release pages, below.
BUT some of the updates are only released over a couple week window so you (like me) may wait over a week to see a new release. THEN some features in the update are also only made available over a couple week window. Not much a user can do but wait on the availability and activation windows.
Firmware.
https://support.sonos.com/en-us/article/release-notes-sonos-system-updates
App
https://support.sonos.com/en-us/article/release-notes-sonos-app-updates
No, it depends on the type of device. Not all my speakers have the same build, depending on age.
I’d certainly recommend retiring the BOOST, however, and hang your Sonos off of your WiFi. Unless you have an extremely old router, say older than 5 years.
Edit…I’m guessing about 5 years…while when the BRIDGE and subsequently the BOOST were common, there were routers that couldn’t handle multiple connections at speeds, it was more common to use SonosNet. It just isn’t necessary any more, and most ‘new’ Sonos devices won’t even connect to SonosNet.
If you are not having any issues with your system and happy with performance, there is no need to change how it connects.
From August 2025, older devices running on S2 are now subject to essential updates only. These include the Boost and Playbase.
See https://support.sonos.com/en-gb/article/legacy-product-update
You should be able to confirm the latest updates by looking at the release pages, below.
BUT some of the updates are only released over a couple week window so you (like me) may wait over a week to see a new release. THEN some features in the update are also only made available over a couple week window. Not much a user can do but wait on the availability and activation windows.
Firmware.
https://support.sonos.com/en-us/article/release-notes-sonos-system-updates
App
https://support.sonos.com/en-us/article/release-notes-sonos-app-updates
Thanks for all of the replies!!! My system is stable and I was just doing some general house cleaning and making sure that all of my iPhones, iPads and computers were updated and noticed the differences. I have multiple SONOS devices wired to TP-LINK Ethernet Switches with RSTP properly configured and the BOOST is probably not doing as much as it once did.
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