What is the relationship between the mobile phone number and QQ number used for SMS verification during QQ registration?

The mobile phone number required in the picture only plays an auxiliary verification role. If you want to bind the applied QQ number to this mobile phone number, check it; If this is not your mobile phone number or you don't want to bind this mobile phone number, you don't need to check it, so there will be no binding relationship.

Let's explain the option in the picture "I want to use this mobile phone number to log in to QQ and open account protection":

1. Log in to QQ with your mobile phone number (you need to set up a mobile phone auxiliary account).

This function allows you to log in successfully by entering your mobile phone number and QQ password when using Tencent services such as QQ. In addition, you can also set the main display and search functions of your mobile phone number, so that you can display your mobile phone number to your QQ friends on QQ and let your friends find you through your mobile phone number.

2. Open account protection

This function allows you to protect QQ account through SMS, including modifying QQ password, locking QQ account, receiving account security notification, setting QQ credit protection and QQ login protection.

Extended data

After setting up the mobile phone auxiliary account, you can use the following functions:

1. You can directly log in to Tencent services such as QQ through your mobile phone number (just enter your mobile phone number and QQ password).

How to set up a mobile phone auxiliary account: log in to my QQ center and bind the mobile phone number with the QQ number.

2. You can turn on "Others can find you through your mobile phone account in QQ search". After the setting is successful, you can also be found by your mobile phone number when others add you as friends.

Turn on or off how others can find themselves through their mobile accounts: Select on or off at "Others can find you through their mobile accounts in QQ search".

3. You can also set the mobile phone number as the main account, and your QQ number will be displayed by your friends.

How to set the main display account: Click Settings next to the main display account and select the mobile phone account as the main display account.