"I have refused to carry any sort of cellular phone" -rms

I saw this too https://discuss.privacyguides.net/t/what-is-your-private-phone-setup/

Seems like the jury is out on SMS, and things like QKSMS aren’t necessarily recommended over the AOSP messages app. Does privacyguides have a GrapheneOS guide for these replacements that we apparently need? That would be lovely.