1, click on the avatar directly and upload the picture. Two-dimensional code, also known as two-dimensional bar code, is a popular coding method on mobile devices in recent years. Compared with the traditional bar code, it can store more information and represent more data types.

2. Yes, you can save the QR code. Select the QR code from the photo album when setting the avatar.

3. First, open Tik Tok and click Me in the lower right corner. Secondly, on my page, click the QR code icon next to Tik Tok. Finally, enter the QR code page and click Change Style at the top.

4. Open Tik Tok visitors and enter the personal center page. Click on the personal avatar to enter the avatar setting page. On the avatar setting page, you can choose to upload photos or take photos to set the avatar picture. If you have already set an avatar on Tik Tok, you can also choose an existing avatar as a visitor avatar.