Use the compatibility loopholes of the new and old versions of WeChat to deal with the problem that regional information cannot be deleted;

1, install the old version, and use 4.2 for testing.

2. Modify the personalized signature.

3. Upgrade back to the new version and test 5.2.

4. Modify the personalized signature.

You can modify personal information such as region in the settings of WeChat:

1. Open the WeChat login and click "I" at the bottom to enter.

2. Click on the avatar/name at the top of WeChat, as indicated by the red mark.

3. Click the area after entering, and the current location will be automatically located, or you can choose your own country or region.