Downgrade Zigbee2MQTT After a Bad Update: What’s Safe
Zigbee2MQTT update broke something? How to downgrade on Docker, the Home Assistant add-on or bare metal, what to back up first, and what can't roll back.
~/archive $ ls -la
Archive
Setup Guides
Setup guides
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Tuya Protocol 3.3 vs 3.4 vs 3.5: Which Version Fits?
Tuya device connects then drops in LocalTuya or tuya-local? How protocol 3.3, 3.4 and 3.5 differ, how to find yours, and what stays fully local.
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Tuya Won’t Pair on an IoT VLAN? EZ vs AP Mode Explained
Tuya device won't pair on your IoT VLAN? Why EZ mode fails, why AP mode helps, and why the segment needs internet while Smart Life pairs it.
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How to Get a Tuya Local Key Without a Developer Account
Want a Tuya local key for LocalTuya or tuya-local without an IoT Platform account? Compare the routes that skip it and what each still sends to the cloud.
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Zigbee2MQTT Ping Spam From an Absent Device? The Backoff Bug
Zigbee2MQTT pinging a long-gone device every 12 seconds? A setTimeout overflow in the availability backoff. How 2.14.0 fixes it, and a workaround.
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Zigbee2MQTT OTA Failing on Multiple Devices? A Rogue Server
OTA checks failing on several unrelated Zigbee2MQTT devices at once? One misbehaving device can hijack OTA server discovery. How to spot and remove it.
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Zigbee2MQTT ASH_ERROR_TIMEOUTS After a Node.js Update: Fixed
Zigbee2MQTT won't start with ASH_ERROR_TIMEOUTS after a Node.js update? The cause is a serialport bug on Node 26.3+, and Zigbee2MQTT 2.14.0 patched it.
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Zigbee2MQTT keep_config: Remove a Device, Keep Its Settings
Zigbee2MQTT's remove request just gained keep_config and clear_cache. What each preserves before you re-pair a device, and what neither one touches.
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Zigbee2MQTT Onboarding Stuck or Looping: How to Fix It
Diagnose Zigbee2MQTT onboarding loops, hangs and 404 errors using startup logs, saved settings, data paths and version-specific fixes.
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Tuya TS0203 Zigbee2MQTT Setup and the Fake-Contact Bug
Set up supported Tuya TS0203 variants in Zigbee2MQTT, identify the manufacturer string, check the documented false-contact fix and test battery reports.