New-to-me Sub Gen3 will not finish first update post-factory reset

  • 17 May 2024
  • 0 replies

I have a sub I got second hand. I'm able to start the process of adding it to my system, but before I can add it, the app insists on updating the device. Every single attempt at updating the device has failed. I get no error codes to work with, and the device is just flashing red.

So far I've tried:

  • Updating my system as a whole

  • Reinstalling the app

  • Restarting the device and my router.

  • Plugging in the sub with an ethernet cable (both before the update and mid update)

  • Splitting my network into separate SSIDs for 2.4Ghz and 5Ghz

  • Assigning a static IP to the sub

I've been on the phone multiple times now with Sonos support and still have not found a solution. They've transferred me up to level 2 support but they have no openings in the next few months for a call.

Has any one on here run into a similar issue?

Does anyone have any other ideas for things I could try?

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