Despite the error, I was able to dump the original Tuya firmware and flash `kickstart-bk7231n-2025-12-05.uf2`. Original firmware dump: [ltchiptool_bk72xx_2026-04-26_11-34-03-scene_changer_CBU-v1.3.0.zip](https://github.com/user-attachments/files/27104126/ltchiptool_bk72xx_2026-04-26_11-34-03-scene_changer_CBU-v1.3.0.zip) Device: <img width="1239" height="1231" alt="Image" src="https://github.com/user-attachments/assets/984bb076-0142-459f-bf65-9fdc6f010a91" /> <img width="2600" height="2821" alt="Image" src="https://github.com/user-attachments/assets/4b50b421-4d60-4fa7-a0c6-60b22c8c0e8b" /> <img width="881" height="592" alt="Image" src="https://github.com/user-attachments/assets/ab0696ee-ebec-444b-b594-06092c8e3d1a" />
Despite the error, I was able to dump the original Tuya firmware and flash
kickstart-bk7231n-2025-12-05.uf2.Original firmware dump:
ltchiptool_bk72xx_2026-04-26_11-34-03-scene_changer_CBU-v1.3.0.zip
Device:

