You can enter the file editor through mobile QQ to delete. Open the data editing interface, click signature management, and check the current signature and previous signature in the signature management interface to delete. Take OPPO mobile phone as an example, the deletion method is as follows:

1, open QQ on your mobile phone to enter.

2. After entering QQ, click on the personal avatar in the upper left corner.

3. Click on the personal QQ nickname in the page that appears to enter.

4. Enter the profile interface and click Edit Profile at the bottom.

5. Click the signature in the expanded editing data interface to enter.

6. The page jumps to the signature interface, and click the History button in the upper right corner.

7. You can see the current and previous signatures in the historical signatures that appear, and then click the Manage button in the upper right corner.

8. At this time, you can see the check box in front of the personalized signature, and check the check box of the signature to be deleted.

9. Select the corresponding personalized signature, and then click the Delete button at the bottom of the page.

10. Click the Delete button in the pop-up dialog box.

1 1. At this time, you can see the prompt message that the personalized signature has been successfully deleted.