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Lead Maestro
April 20, 2021

The One SL is compatible with the S1 app so you do not have to replace the Bridge with a Boost.

The Play:3 is compatible with the S2 app.

Here is the full list of Sonos products and whether or not they are compatible with S1, S2, or both: https://support.sonos.com/s/article/4786?language=en_US

"Receive with simplicity everything that happens to you." - Rashi

31 replies

James L.
Retired Community Staff
June 10, 2021

If your One SL was running the S1 firmware before a factory reset occurred, you will be able to add it back to your S1 system. 

Thanks James, that’s all very helpful! In reference to the above, does that mean that if the second-hand One SL had been running S1 firmware before it was resold it could’ve been added to the new owner’s S1 system after a factory reset, or can it only be re-added as an S1 unit to the original system, and would have to be added as an S2 in a new owner’s system?

Thanks again, especially for clarifying the Transfer Ownership function.

Correct, it would only be able to be re-added to the same S1 system it was previously registered to. If it was added to another system, it would need to upgrade to S2.

Hey folks,

 

I’d like to issue a correction to my previous (quoted) statement here. I was mistaken in regard to how a One SL can be setup.

 

I hope this clears things up. 

If a One SL is still on S1 firmware, it can be added to ANY S1 household as long as it stays on S1 firmware. This means that if a One SL is on S1 firmware today, you are able to factory reset it and add it to another, different, S1 household. Once it updates to S2, it cannot be downgraded, so it can’t be added to an S1 system at that point.

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