diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 15d428a1..b772115a 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -21,6 +21,10 @@
     <!-- Whether device has screen with higher aspect ratio -->
     <bool name="config_haveHigherAspectRatioScreen">true</bool>
 
+    <!-- Whether a software navigation bar should be shown. NOTE: in the future this may be
+         autodetected from the Configuration. -->
+    <bool name="config_showNavigationBar">true</bool>
+
     <!-- Whether the Unprocessed audio source supports the required frequency range and level -->
     <bool name="config_supportAudioSourceUnprocessed">true</bool>
 
diff --git a/overlay/frameworks/base/packages/SettingsProvider/res/values/defaults.xml b/overlay/frameworks/base/packages/SettingsProvider/res/values/defaults.xml
index 0bf29d25..95873ccc 100644
--- a/overlay/frameworks/base/packages/SettingsProvider/res/values/defaults.xml
+++ b/overlay/frameworks/base/packages/SettingsProvider/res/values/defaults.xml
@@ -18,6 +18,8 @@
 -->
 
 <resources>
+    <bool name="def_wifi_on">true</bool>
+
     <!-- Whether Bluetooth should be switched on by default -->
     <bool name="def_bluetooth_on">false</bool>
 
@@ -30,9 +32,19 @@
     <!-- 60 seconds for default screen timeout -->
     <integer name="def_screen_off_timeout">60000</integer>
 
+    <!-- user interface sound effects -->
+    <integer name="def_power_sounds_enabled">0</integer>
+    <integer name="def_lockscreen_sounds_enabled">0</integer>
+
     <!-- Disable UI touch sounds by default -->
     <bool name="def_sound_effects_enabled">false</bool>
 
     <!-- Disable UI touch haptic feedback by default -->
     <bool name="def_haptic_feedback">false</bool>
+
+    <!-- Default for DTMF tones enabled -->
+    <bool name="def_dtmf_tones_enabled">false</bool>
+
+    <!-- Default for Settings.Secure.CHARGING_SOUNDS_ENABLED -->
+    <bool name="def_charging_sounds_enabled">false</bool>
 </resources>