The software version is 8.0.28, and the mobile phone model is oppoReno7.
The operation process is as follows:
1. Open the WeChat software on your mobile phone, first click Me in the lower right corner, and then click the personal information box above.
2. Then click on more information below to enter.
3. After entering, click Personalized Signature.
4. Then delete the old personality signature.
5. Then enter a new personality signature and click Save in the upper right corner.
6. When you return, you can see that there is a personalized signature set by yourself on the personalized signature, indicating that it has been modified successfully.
You can also see your own personalized signature under the head of your circle of friends.