ring-android/app/src/main/res/values/strings_preferences.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string name="pref_category_network">Network</string>
    <string name="pref_mobileData_title">Mobile data</string>
    <string name="pref_mobileData_summary">Allow Ring on 3G/LTE networks additionally to Wi-Fi</string>

    <string name="pref_category_contacts">Contacts</string>
    <string name="pref_systemContacts_title">Use system contacts</string>
    <string name="pref_systemContacts_summary">Use system contacts to show caller details.</string>

    <string name="pref_systemDialer_title">Place system calls using Ring</string>
    <string name="pref_systemDialer_summary">Use Ring to place system calls when possible.</string>
</resources>