For android mobile I use Ironfox.

https://gitlab.com/ironfox-oss/IronFox

Its a fork of the now discontinued Mull browser.

Are these private friendly? I would assume that an ID would still be made on you based on purchases.

Thank you for the explanation! So essentially, you use your sim free phone as a very portable laptop.

I like the idea of having a sim free phone and have a feature phone for cellular service. I miss the aesthetic of flip phones! I would just need to find one that supports hotspot (just in case) and decent navigation.

I am thinking of switching to graphene as well, but this is the first I am hearing about the risks of having a sim card. Apologize for my ignorance, but how would you get service on a phone without at least an esim card? I’m also interested in a high level of privacy and anonymity (within reason).