anyway yeah DELETE YOUR FUCKING ADVERTISING IDS
Android:
Settings ➡️ Google ➡️ all services ➡️ Ads ➡️ Delete advertising ID
(may differ slightly depending on android version and manufacturer firmware. you can't just search settings for "advertising ID" of course 🔪)
iOS:
Settings ➡️ privacy ➡️ tracking ➡️ toggle "allow apps to request to track" to OFF
and ALSO settings ➡️ privacy ➡️ Apple advertising ➡️ toggle "personalized ads" to OFF
more details about the process here via the EFF