https://www.youtube.com/watch?v=4UY9doDfHXw&t=7s

https://www.youtube.com/watch?v=mUwuRx1Orxw

https://drive.google.com/file/d/1jwhG36JJ4gzl03p3iyLD802DQTYy1lTk/view

https://www.youtube.com/watch?v=h_mlK0lxvzQ

https://www.youtube.com/watch?v=AImKUcLV7vw

https://www.youtube.com/watch?v=hGzimJkAmS0

https://drive.google.com/file/d/1QmUsJYLLHHtY5wbnN2YdHAEZSMaruGcS/view?usp=sharing

https://drive.google.com/file/d/1aM4hZU-8TvvE-kdqQJGg0p3x7kudyMet/view

https://play.google.com/store/apps/details?id=com.tuya.smartlife

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First cut off power supply for 10 sec and than restart your device and check your touch properly work or not.

First cut off power supply for 10 sec and than restart your device and check it.

No, its not possible to replace other category device or you can replace same category device under warranty period.

no, you do not need to set timer again.

https://drive.google.com/file/d/1c7Xf8ZdXovWXm_PSJL6W_FLhPJzxadCD/view

No, it is not possible to off indicator LED.

no its not possible to use fan as a dimmer or dimmer as a fan regulator

in this case first delete particular device from alexa app or google home app and link one more time after 10 to 15 minutes.

https://drive.google.com/file/d/10ICWBgvQUFXDPZC0U1IaGxJ5VsZbzpjD/view