[befictious]

From their Privacy Policy...

>We automatically collect certain information from you when you use the Platform, including internet or other network activity information such as your IP address, geolocation-related data (as described below), unique device identifiers, browsing and search history (including content you have viewed in the Platform), and Cookies (as defined below).

>We collect information about your location, including location information based on your SIM card and/or IP address. With your permission, we may also collect Global Positioning System (GPS) data.

>You can switch off GPS location information functionality on your mobile device if you do not wish to share GPS information.

The above makes it sound like you have to turn off GPS for everything. They could likely be skirting different methods for collecting this. and the only way to prevent it is turning off gps at the device level not app permission level

>We use the 'Region' you select in Settings to customise your TikTok experience. When you use the Platform on a mobile device, we will collect information about your location. In certain jurisdictions, with your permission, we will collect Global Positioning System (GPS) data and mobile device location information. If you do not wish to share your precise location with us, you can switch off location services via the settings on your mobile device

>5. Where we store your personal data. The personal data we collect from you may be stored on a server located in Singapore or the United States, outside of the country where you live. We maintain major servers around the world to bring you our services globally and continuously.