Login to mobile QQ-& gt；; ? I-> Click on the profile-> profile->? Select from the bottom to enter "Personalized Business Card", as shown in the following figure:

After entering the QQ personalized signature setting interface, we slide left and right to find the "Default" option, and then select Save to restore the initial business card status, as shown in the following figure:

If you want to cancel, then select the default.

QQ is an instant messaging software for mobile phones launched by Tencent in 2003, which provides free multimedia communication services, facilitating users to communicate easily through voice, pictures and videos on mobile devices, and achieving a better mobile social, entertainment and life experience. Among the functions launched in 20 13, the functions such as flashing photos, colorful bubbles, original expressions and personalized themes have been well received by users.

Mobile QQ has fully covered all major mobile platforms, with more than 570 million monthly active users.