They WILL use locational data against you if your phone is on, Even if it’s off
Based on what I know, this can be achieved in two ways:
SIM card: it records your location all the time, so they can get that from your phone company
request it from Google or Apple ( that’s why you should degoogle your phone )
If you remove the SIM card and don’t connect to any hotspot ( obviously ), then your phone is just a camera, but the issue is that you’ll want to broadcast live, so you’ll need an Internet connection… So