Add ThirdReality Smart Color Bulb ZL1 v1.00.74

[3reality-support]

OTA image URL

https://s3.amazonaws.com/tr-ota-us-prod/3RCB01057Z_ZHA_074_20260512_075147.ota

Release notes

This updates the ThirdReality Smart Color Bulb ZL1 (3RCB01057Z) to v1.00.74.

How to handle existing images of the same type

Keep all (standard)

Optional metadata

No response

Checklist

• The OTA image provided is in a supported format (e.g., .zigbee, .ota)
• The OTA image URL provided is from an official source (e.g., manufacturer's website, official repository)
• I have filled out the release notes to the best of my ability
• The OTA image is tested and verified to work on a physical device

Additional information

No response

[zigpy-bot]

✅ Successfully processed your OTA submission! A pull request has been created with your changes:

• Add ThirdReality Smart Color Bulb ZL1 v1.00.74 #139

Last reprocessed: 2026-05-13 23:12 UTC