2. Click Settings in the lower left corner of the QQ menu bar.
3. Select contacts and privacy.
4. Turn off the personalized signature synchronization.
5. Open the computer QQ, click the top left avatar, select the avatar, click Edit Data, select the signature, delete the contents in the text box, click Save and Publish, select Clear Signature, and return to the data page to see that the personalized signature has been deleted successfully.
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