Apple and Google Are Introducing New Ways to Defeat Cell Site Simulators, But Is it Enough?
Cell-site simulators (CSS)—also known as IMSI Catchers and Stingrays—are a tool that law enforcement and governments use to track the location of phones, intercept or disrupt communications, spy on foreign governments, or even install malware
only Pixel users will benefit from the new settings
Android OS updates work like this:
if you have a pixel you get the OS update direct from google
other models - if you have a contract with a network provider and are paying of the device the OS gets sent to the manufacturer then your network provider then you get it < that takes around 2yrs after rollout from google
if you purchase your handset and get a sim-only contract(or pay as go sim)the OS comes to you via manufacturer << 1+yr wait after rollout from google