From 886275099194ad4949ce2bf87e7eb5848d24fce8 Mon Sep 17 00:00:00 2001
From: Daniel Micay If you have a reliable LTE connection from your carrier, you can reduce attack
- surface by disabling 2G / 3G connectivity in Settings ➔ Network & Internet ➔ Mobile
- network ➔ Preferred network type. Traditional voice calls will only work in the LTE-only
- mode if you have either an LTE connection and VoLTE (Voice over LTE) support or a Wi-Fi
- connection and VoWi-Fi (Voice over Wi-Fi) support. Currently, VoLTE / VoWi-Fi works on
- GrapheneOS but not on most carriers, since the configuration and extra apps for them on
- most carriers are not yet around.LTE-only mode
This feature is not intended to improve the confidentiality of traditional calls and texts, but it might somewhat raise the bar for some forms of interception. It's not a