Delete the historical signature of mobile QQ, you can log in to QQ on the computer, find the historical signature in my QQ center and delete it quickly. The specific steps are as follows (different versions have slightly different deletion methods):

First log in to QQ on the computer, then click the penguin icon at the bottom corner of the QQ panel, select Help in turn, and then click to enter my QQ Center, as shown in the following figure:

2. After entering my QQ Center, switch to the "Dynamic" option, and then click to switch to "My Status", as shown in the following figure:

3. Finally, you can see the previously published QQ personalized signature history here. Put the mouse on it, and an "X" button will be displayed in the upper right corner. Click it to delete the dynamic, as shown in the figure below.

Through the above three simple steps, you can successfully delete the history of QQ personalized signature in the computer, and then enter the mobile QQ, and you will also find that the history of personalized signature has been deleted.