When I take a basic test on S3/S4/Cold BOOT/WARM boot/, I connect docking with Minicooper/Lola and an earphone with docking. Then I can hear noise like "popo" in the earphone.
或者
When I take a basic test on S3/S4/Cold BOOT/WARM boot/, I connect docking with Minicooper/Lola. Then I listen to an earphone which is connected with docking, I can hear noise like "popo".