How does Unicom mobile phone send SMS to apply for QQ number?

The specific steps of applying for QQ number through Unicom's mobile phone number are as follows: Step 1: the mobile phone downloads QQ app software, and then select "New User Registration" in the lower right corner of the screen (as shown in the figure); Step 2: Enter Unicom's mobile phone number, and then click "Next" (as shown); Step 3: After clicking Next, the mobile phone will receive the SMS verification code, enter the received SMS verification code, and then click Next (as shown); Step 4: Enter the name of a QQ number and click "Finish" (as shown); Step 5: Through the above operations, you can successfully apply for a QQ number through Unicom's mobile phone number. Tips: The QQ number applied in this way has no QQ password, so you need to set your own QQ password in the settings.