CalyxOS was removed as a recommendation in July 2022. At this time, CalyxOS is not a recommended tool. Consider using GrapheneOS instead. CalyxOS is a custom Android operating system which uses microG for Play Services compatibility.
Orbot is a free Tor VPN for smartphones which routes traffic from any app on your device through the Tor network. Orbot is often outdated on the Guardian Project’s F-Droid repository and Google Play, so consider downloading directly from the GitHub repository instead. Orbot can proxy individual apps if they support SOCKS or HTTP proxying. It can also proxy all your network connections using VpnService and can…
GrapheneOS is a custom Android operating system which provides additional security hardening and privacy improvements over stock Android. It has a hardened memory allocator, network and sensor permissions, and various other security features. GrapheneOS also comes with full firmware updates and signed builds, so verified boot is fully supported.