Is there a way to check if a second hand sonos was used for the upgrade program? I am looking into buying second hand speakers, and knowing if the upgrade program was used on them would make the differenc between an ok deal and a great deal...
Answered
Way check if a second hand sonos was used for the upgrade program
Best answer by Stanley_4
Get the serial numbers off the data plates and call Sonos.
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Get the serial numbers off the data plates and call Sonos.
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