This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
我是初学者，请问
1、advertisement, connection, pairing , bonding, authentication,几个动作的先后顺序是什么？
2、蓝牙4.0设备一对一通讯时，密码如何设置？
