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<h2><a href="#lte-only-mode">LTE-only mode</a></h2>
<p>If you have a reliable LTE connection from your carrier, you can reduce attack
- surface by disabling 2G / 3G connectivity in Settings ➔ Network &amp; 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.</p>
+ surface by disabling 2G / 3G connectivity in Settings ➔ Network &amp; 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. VoLTE /
+ VoWi-Fi works on GrapheneOS for most carriers unless they restrict it to carrier
+ phones. US carriers other than T-Mobile tend to be missing these features due to
+ us not including their proprietary apps.</p>
<p>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