Sonos Era 100 · Era 300 · Arc Ultra
Factory reset (hold Bluetooth while plugging in)
Bench check pending
Written from official documentation and dealer sources, not yet run on our bench. Confirm on your hardware before a reset you can't undo.
The sequence
- UNPLUG · HOLD BLUETOOTH + PLUG IN
- ORANGE/WHITE → RELEASE
- GREEN = READY
Good to know
- Same steps: Beam Ultra, Era 100 SL, Era 100 Pro
- Arc, Beam (Gen 2), One, Amp: hold JOIN / PLAY-PAUSE instead
- One speaker at a time: repeat on each
- Sonos app › Settings › Add Speaker or Component