Smartthings Integration Broken (again)?

My Smartthings Integration no longer updates device status to HA… Anyone have this problem… Was working fine about 7 hours ago… This morning it is dead.

Smartthings can control the devices… but HA fails to “handshake”

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Hello ur7x,

Is your Home Assistant up to date?
Do you have the updated Samsung code installed from this months release?

Yes to both… Weird

Yes, I had this problem, too, with the 2025.3 update and new version of the SmartThings integration. I experienced it with smart light bulbs controlled by SmartThings but not a Samsung TV. To be clear, when the light came on as directed by the SmartThings side, it would not update in HA, unless I reloaded the integration. However, if I turned on the TV on the SmartThings platform, it would synchronize with the equivalent TV entities in HA. Since it’s just a few lights that I have set to turn on from dusk to dawn, I created an automation to reload the SmartThings integration every hour and at sunrise and sunset. Not ideal, but it solves the problem:

alias: Reload Smartthings Integration Every Two Hours and at Sunrise/Sunset
description: ""
triggers:
  - trigger: time_pattern
    hours: /1
  - trigger: sun
    event: sunrise
    offset: 0
  - trigger: sun
    event: sunset
    offset: 0
conditions: []
actions:
  - data:
      entry_id: ef8.............................................
    action: homeassistant.reload_config_entry
mode: single
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@FortranFour For your reload automation, how do I find entry_id for my setup?

At least two ways:

  1. See here: How to find Config entry id to reload via service call

  2. Settings>Integrations>SmartThings: Download diagnostics, and file name will be the config entry ID

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2025.4 will most likely have a fix for this, so please try it without automation when that drops.