When I first started focusing on moving toward more privacy-friendly software and services, I knew that at some point I would want to install a custom OS on my phone. I’ve always used Android as my mobile OS, and Android, being a Google product, is of course used to gather data on its users. While I was not as privacy-conscious when I bought my current phone a few years ago, by good fortune the model I purchased was a Google Pixel 3a, which is compatible with some top-tier custom OSes, incl...