1. It may be a network problem. You can turn off the internet and check it again.
You can't see whether your best friend hacked you.
3. Your friend may not have set a personalized signature, or delete the previous personalized signature.
4. The network has not kept up, and the information of friends on WeChat is not updated at any time.
5. Check whether the positioning function is turned on.
What's wrong with WeChat friends not displaying personalized signatures? From the above, do you know what happens when WeChat friends don't display their personalized signatures? I hope Bian Xiao's content can help you.