step one, open the wechat on your mobile phone, enter the wechat home page, and click my.
Step 2, then enter the personal page and click on the line where your avatar is located.
step 3, enter the personal information page and click more.
step 4, enter the more information settings, where you can see the information of gender, region and personality signature, and click the right arrow behind the personality signature.
Step 5, enter a new personalized signature in the personalized signature text box. Note that there is a word limit.
step 6, click save in the upper right corner. The above is the way to set the personalized signature of the new version of WeChat.