If you want a privacy-based OS, I recommend you grabbing a Pixel and boot it with GrapheneOS. No Google services at all on this OSUnderstood, however what alternatives do we have? It is either iOS or Google-owned Android. And Google scans a lot. A more realistic option would be not updating to iOS 15, this will be very tangible to Apple, as they could see that at a certain time-point iOS 15 was installed, say, on 15% of devices vs 50% adoption rate of iOS 14 at the same time last year.