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We suspect that the device state is not consistent with what is recorded in the activity, we suggest the following:
1. Press the remote control off, close all the activities, if there is a device that is not closed, please close it manually. If there is any device that is not turned off, please turn it off manually. Let all the devices' statuses match with the activity. Then turn on the activity again, see if it works properly. 2.
2. Sometimes CEC may also lead to device switching state conflict, we suggest to turn off the TV's CEC function. Avoid sending commands to TV via HDMI when other devices are turned on/off, which may duplicate with activity commands and lead to control abnormality.