Shelly
Shelly H&T Gen3
Switches · Lighting
Partly worksLocal
1 report: 1 says it partly works.
Reported with 1 integration: Shelly.
What people report
| Integration | In Home Assistant | In Apple Home | What they said | Source |
|---|---|---|---|---|
| Shelly | Partly works Local | Needs correct outbound WebSocket URL, wake device to set upSaved copyThe problem ### Summary After updating to Home Assistant Core 2026.6.4, my Shelly H&T Gen3 (model S3SN-0U12A, firmware 1.7.5) is no longer initialized correctly by the built-in Shelly integration. The device itself is operating correctly: - Temperature and humidity are measured correctly. - The device is connected to Wi-Fi. - The Shelly Cloud connection is active. - The device is running the latest stable firmware available (1.7.5). However, Home Assistant reports: - Firmware: Unknown - Temperature: Unavailable - Humidity: Unavailable - Battery: Unavailable - External power: Unavailable The … Excerpt saved from GitHub on 2026-10-23. | Issue #175293 · 2026-07 |
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
| Brand | Shelly |
|---|---|
| Model | S3SN-0U12A |
| Category | Switches |