@robot1125 did you check your setting explained in previous post?
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And could you run this little script and post result
import cb class MyDelegate (object): def did_update_state(self): # State was updated (e.g. Bluetooth powered on/off) pass delegate = MyDelegate() cb.set_central_delegate(delegate) print(cb.get_state()) ''' https://developer.apple.com/documentation/corebluetooth/cbmanagerstate Manager States case poweredOff 4 A state that indicates Bluetooth is currently powered off. case poweredOn 5 A state that indicates Bluetooth is currently powered on and available to use. case resetting 1 A state that indicates the connection with the system service was momentarily lost. case unauthorized 3 A state that indicates the application isn’t authorized to use the Bluetooth low energy role. case unknown 0 The manager’s state is unknown. case unsupported 2 A state that indicates this device doesn’t support the Bluetooth low energy central or client role '''