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Home Assistant TestFlight
Mattress Firm

Mattress Firm 900-O (Okin CST)

Lights · Lighting

WorksLocal

1 report: 1 says it works.

Reported with 1 integration: Adjustable Bed.

What people report

IntegrationIn Home AssistantIn Apple HomeWhat they saidSource
Adjustable BedWorks LocalLumbar, light and Flat controls fixed
Saved copy
MFirm 900-O users reported broken lumbar, light, and Flat controls. The CST profile used incorrect lumbar bits, an excessively long preset cadence, and unsupported motor and position assumptions. This aligns the controller with the frozen MFirm 900-O 1.1.2 clean-room analysis: exact Head, Feet, and Lumbar controls, the app command cadence and STOP cleanup, reachable light and massage actions, and removal of unsupported position entities. Validation: - `uv run pytest` (2,758 passed) - `uvx [email protected] check custom_components tests` - `uvx [email protected] custom_components tests` - clean local …

Excerpt saved from GitHub on 2026-10-23.

PR #513 · 2026-08

Each row is one report from a GitHub thread, an integration’s docs, or r/homeassistant. Check the date and the linked source before you buy.

In ReReHome

Once Home Assistant’s HomeKit Bridge shares it, this device reaches Apple Home as a HomeKit accessory behind your Home Assistant bridge, so ReReHome shows and controls it like any other.

Identifiers

BrandMattress Firm
Model900-O
CategoryLights