Hard to say. I expect its more likely that you’re right than wrong, but that’s not to say it’s definitely that way.

So I’m not 100% certain this is how it would act, but them having a separate chip for screenshots - like, what does that mean? So I see two possibilities: a hardware subsystem Frankensteined onto an existing phone; or a separate SOC that exists within the phone’s frame for monitoring.

For the Frankenstein’s version, it’d probably basically be a timer, minor image processing (to read the screen), and a small memory store (to keep data from screen caps). It’d probably route instructions through the phones CPU. I don’t know thats flashing your OS would prevent this from operating, but that’s where I’d start in trying to bypass it.

For the separate SOC, yeah you’re fucked. Maybe you can bust open the frame and remove it…lol, but good luck without the internet handy.

This is good to know.

Is that to say they run copy cat versions of major services on a national intranet (so as to make it appear comparable to the real internet)?

My thoughts go to flashing the OS. I only have experience with Pixel Devices flashed to Graphene, but options exist. From there, VPNs might be helpful.

But I’m not sure that’d be adequate, and it assumes you have access to gigabytes of internet connection already and (as pointed out by other commentors) probably wouldn’t get around network issues.

Ultimately, getting an outside device with satellite connection is an easier route.