Tools: equipment: Xiaomi 10, system: MIUI 12.2.8.0, software: tiktok15.1.
1. On my Tik Tok interface, click on the three small horizontal lines in the upper right corner.
2. Enter the setting interface.
3. Click Exit Login to exit the current account.
4. Enter my interface again.
5. Click on the lower right corner to log in.
6. Choose to log in with another account.
7. Then log in with your new phone number, and you can create a new Tik Tok number.