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DHowell
Contributor I
January 3, 2026
Answered

software upgrade/downgraded

I have/had two good Sonos systems. One in Texas for nine years fabulous s1 products.  4 Pool side , surround inside subs etc in tv room and  master bedroom, master bath, office, etc.  

added a “new” s2 to my Colorado home: extensive .    A family member traveled from on to the other and system said upgrade (similar to regular updates). And now my Texas s1 system is CRAP!  $10,000 investment destroyed by the new “upgrade” /combo of s2/s1 software.  
 

can this be fixed?  Please help! 

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    buzz
    buzzAnswer
    Grand Maestro
    January 3, 2026

    I wish family members would refrain from updating things. I notice that its the younger family members that indiscriminately apply updates -- thinking that the old folks just don’t understand anything. If the “new improved” operates differently or, in cases such as this, breaks something, the old folks are completely flummoxed. 

    Here are some instructions on how to recover. You’ll need to downgrade the S2 units. Don’t Factory Reset any of the S1 units. Take care and avoid setting up a new system. You’ll want to add the downgraded units to your S1 system.

    Hopefully no new SONOS hardware that only supports S2 has been added.

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    buzz
    buzzAnswer
    Grand Maestro
    January 3, 2026

    I wish family members would refrain from updating things. I notice that its the younger family members that indiscriminately apply updates -- thinking that the old folks just don’t understand anything. If the “new improved” operates differently or, in cases such as this, breaks something, the old folks are completely flummoxed. 

    Here are some instructions on how to recover. You’ll need to downgrade the S2 units. Don’t Factory Reset any of the S1 units. Take care and avoid setting up a new system. You’ll want to add the downgraded units to your S1 system.

    Hopefully no new SONOS hardware that only supports S2 has been added.

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