Sonos One downgrade

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Accidentally upgraded to S2. Need to downgrade my Sonos ones to be compatible with S1 controller. Reset and they are at flashing green, but S1 controller add device option is greyed out. So mad! Need help!

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SmiljaAnswer

Very curious where you might have read that downgrading is possible - I’ve always read it is not possible. Do you have a link?

Is this process reversible?

While we don’t recommend downgrading your products to S1 after updating to S2, it is possible to downgrade by resetting the S2 products to their factory settings and adding them to an existing S1 system. An existing Sonos product running S1 software is required to downgrade an S2 product back to S1. Note that all settings and preferences will be lost when downgrading a product from S2 to S1.

Set up separate S1 and S2 Sonos systems

»And the world is like an apple whirling silently in space, Like the circles that you find in the windmills of your mind.« (›Windmills Of Your Mind‹ [1967]. Music by Michel Legrand ; English lyrics written by Alan & Marilyn Bergman)

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Andy Ong

Lyricist I

I had a similar issue. Accidentally upgraded to S2 and it killed my ZP80 and 100. So went to downgrade through app which didn’t work so factory reset both my Play:1 devices. After a while they both disappeared from my android S1 app so then went to add through app again and both were detected as new devices. Selected to setup first and pressed the play and vol+ buttons, heard chime, let go, app detected this and went to connecting screen and sat there and timed out and errored. Tried the same for other Play:1 and it did the same.Called support and they asked me to reboot router even though other devices were connecting to the wifi fine. Anyways rebooted router (and rebooted my phone while I was at it), factory reset both play:1 devices so they were flashing green again and this time it went through fine. Support guy explained the connecting stage is when it’s trying to communicate with router and internet. Must have been a stale session or the router remembered the mac addresses of the devices before and was trying to connect with them in some way the Play:1 didn’t like or something. Anyways all dandy now and devices all back on to S1 and working fine.

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peter334

Contributor I

I’ve attempted multiple times, but I have been unsuccessful, due to 1) products (Play:1 and Connect) will say they are incompatible with S1 after factory reset, and 2) existing S1 controller forces you to upgrade.

My music library is huge and has taken years to accumulate. It includes FLAC and mp3 among others. Admittedly, some of the FLAC file bitrate sampling is larger than what Sonos requirements allow. However, after upgrading to S2, I could not view most of my library after indexing, and the files I could play cut out after 10 seconds, would skip to the next song, and do it again and again. Errors were my folder (which is on a PC directly plugged into my router) would drop offline, lose connection, and sometimes could not buffer properly--this would happen even on small mp3 files while playing on a Sonos Connect that was hardwired via ethernet to the same router as the PC with the files!

So I also attempted to remove all Sonos S2 controllers from phones and PCs. Install S1 controllers and factory reset all Sonos products, and while recreating the new system, each product would say it is incompatible with the controller. This happened whether it was an Android or PC controller.

At this point, I’m looking for a buyer who uses Sonos and music services--I don’t--but apparently it is the only way it will work with the new S2 app.

106rallye

@peter334 I’ve read at least one of your devices must still be on S1 to be able to revert the rest to S1. I do not see you mentioning this.

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peter334

Contributor I

@peter334 I’ve read at least one of your devices must still be on S1 to be able to revert the rest to S1. I do not see you mentioning this.

First para: I factory reset all three products/devices.

106rallye

I’m not sure this means they are on S1 though. Maybe someone else knows this?

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Guru0006

Lyricist III

Sonos customer service inadvertently upgraded me to S2 and I am livid to say the least. NEVER trust Sonos customer service. I am looking at maybe a Bose or other setup for my living room now. Suggestions anyone?

106rallye

If the upgrade happened against your will, you have a right to be angry, certainly if you now own a system that’s part S1 and part S2. If that’s not the case, I do not see any big disadvantages in an S2 system.

On the other hand: if Sonos did this and you do not want it, you can ask them for a solution.

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John B

Sonos customer service inadvertently upgraded me to S2 and I am livid to say the least. NEVER trust Sonos customer service. I am looking at maybe a Bose or other setup for my living room now. Suggestions anyone?

According to your profile you have an Arc. This can operate only on S2, not S1. Your other products listed are S2 compatible. Would you have been less livid to have been left on S1 and unable to use your Arc? Good luck with Bose. That is assuming that that your post is genuine - it certainly doesn’t make much sense.

106rallye

@Guru0006 Right. With the Arc you need S2, so the upgrade wasn’t inadvertently, it was to get your system on the same software to get them working together, probably the solution to having an s1 system not connecting to an s2 only Arc.

Can you tell what problem you have with owning an s2 system?