1. Click the QQ icon on your mobile phone to log in to QQ.

2. Click on the avatar in the upper right corner to enter the personal center.

3. Click the "Settings" button in the lower left corner of the Personal Center to enter the settings interface. In the setting interface, find the option of "signature, label and seal" and click Enter.

4. In the signature setting interface, you will see an option of "Signature is only visible to yourself". Click this option to turn it off.

QQ is the abbreviation of Tencent QQ, which is an instant messaging software based on Internet developed by Tencent. Its symbol is a little penguin wearing a red scarf. Tencent QQ supports online chat, video call, point-to-point breakpoint continuation, * * * file sharing, network hard disk, custom panel, QQ mailbox and other functions, and can connect various communication terminals.