An European iPhone, aka an iPhone which will get these features, is identified by a background process named countryd, introduced in iOS 16. Its only purpose is to compute and predict the most likely location of the user (as in country/region) and lock down features accordingly.
These are only some of the factors taken into the equation:
- GPS location
- Wi-Fi location
- Wi-Fi hotspot country codes
- Cellular/GSM country codes
- IP address
- Home and roaming operator regions
- Apple Account region
- Device region
- Satellite reachability
countryd takes in all of these and more as input to provide the most likely country of the user. If that country is in the EU, then 💥 Sideloading, Default Apps, etc etc etc goodies
There is so much content going online, and so much traffic, plus heightened security measures, that make it very hard to identify dissidents on a large scale, at least with the tech we have, without using searches and seizure of one’s devices or other methods unrelated to the Internet itself.
In other words, very hard to impossible.