Step 1: First, we find WeChat on the mobile phone. After opening it, we found "I" in the lower right corner of the WeChat homepage.
Step 2: Click "I" and find our own avatar in the "I" interface. Click on the avatar to enter the "Personal Information" interface.
Step 3: Find the "Nickname" option in our "Personal Information" interface and click to enter the "Change Nickname" interface.
Step 4: Click on our name, find "symbol" in the input method interface, and then select "*+=". Please pay attention to the different symbols of the input method. So we can see small numbers.