If you tear out the parts that talk to Google, then the phone hardware isn’t spying on you. It’s just hardware.
The critical piece tying your phone to Google every 3 minutes is called “play services”.
Calyxos was an OS for the pixel hardware that replaced play services with a FOSS library (called microG) which tricked regular apps into thinking they were talking to and getting responses from Google, when it was actually all happening on your phone.
If you tear out the parts that talk to Google, then the phone hardware isn’t spying on you. It’s just hardware.
The critical piece tying your phone to Google every 3 minutes is called “play services”.
Calyxos was an OS for the pixel hardware that replaced play services with a FOSS library (called microG) which tricked regular apps into thinking they were talking to and getting responses from Google, when it was actually all happening on your phone.