Gadgetbridge/app/src/main/res/xml/devicesettings_sony_headphones_device_info.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.preference.PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <PreferenceCategory
        android:key="pref_key_header_sony_device_info"
        android:title="@string/pref_header_sony_device_info">

        <EditTextPreference
            android:defaultValue="\?"
            android:enabled="false"
            android:icon="@drawable/ic_music_note"
            android:key="pref_sony_audio_codec"
            android:shouldDisableView="false"
            android:title="@string/audio_codec"
            app:useSimpleSummaryProvider="true" />

        <EditTextPreference
            android:defaultValue="\?"
            android:enabled="false"
            android:icon="@drawable/ic_developer_mode"
            android:key="pref_actual_protocol_version"
            android:shouldDisableView="false"
            android:title="@string/protocol_version"
            app:useSimpleSummaryProvider="true" />

    </PreferenceCategory>
</androidx.preference.PreferenceScreen>