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Bluetooth headset does not flash red and blue.

1, if it is a new Bluetooth headset, the phone will automatically flash red and blue to enter the pairing mode.

2. If you connect the Bluetooth headset for the second time and turn it off, press the key or multifunction key, and it will flash red and blue to enter the pairing mode for about 7 seconds.

3. If you don't understand the instructions or consult the customer service hotline to solve the problem.