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I got some helpful answers from Termux GitHub issues: mirimir> I'd like to totally lock down the GPS chip. xeffyr> Not without root and some actions will be d
by mirimir 7y ago
I got some helpful answers from Termux GitHub issues:
mirimir> I'd like to totally lock down the GPS chip.
xeffyr> Not without root and some actions will be device-specific.
mirimir> I'd also like to turn off WiFi-based geolocation.
xeffyr> Android settings isn't enough ? Or you think the settings are no-op ? In such case delete the Google Play services immediately.
mirimir> And totally prevent sharing of location data, anywhere outside the device.
xeffyr> Disassemble your device and cut the all antennas and optionally USB port.
mirimir> I'd like to turn off scanning of WiFi APs.
xeffyr> Again - go to Android settings and turn off.
mirimir> And just connect manually to a private AP
xeffyr> Impossible if previous 2 points are performed.
mirimir> for connectivity via nested VPN chains.
xeffyr> You really think that VPN chain is more secure than just 1 VPN ? From encryption side it is but you forgot about side-channel attacks. Time (worldwide) and connection metadata are your enemy here.
mirimir> If possible, I'd like to disable or wipe the GPS and baseband firmware.
xeffyr> Find the right block device in /dev/block then fill it with zeros. Example: dd if=/dev/zero of=/dev/block/mmcblk0p8.
xeffyr> Some devices do not expose the baseband block device or have it in permanent RO mode.
xeffyr> GPS can be completely disabled by recompiling kernel without its drivers + modifying init.rc scripts in ramdisk to disable gpsd service.
mirimir> And then use an external WiFi router or cellular modem/router.
xeffyr> Good luck with modifying Android OS framework. It does not natively support external wifi or cellular modem.