[Samsung Galaxy Core Prime Questions & Answers] Mr,bluwe:
Here is what i found in the file "com.android.settings_preferences"..

<?xml version='1.0' encoding='utf-8' standalone='yes' ?>

<map>

<boolean name="lock_screen_date_and_year" value="true" />

<boolean name="wait_for_debugger" value="false" />

<boolean name="force_hw_ui" value="false" />

<boolean name="show_cpu_usage" value="false" />

<boolean name="bugreport_in_power" value="false" />

<boolean name="pointer_location" value="false" />

<boolean name="keep_screen_on" value="false" />

<boolean name="auto_zone" value="true" />

<boolean name="set_camera_shortcut" value="true" />

<boolean name="enable_adb" value="true" />

<boolean name="brightness_adjustment" value="true" />

<boolean name="direct_negative" value="true" />

<boolean name="bt_hci_snoop_log" value="false" />

<boolean name="direct_accessibility" value="true" />

<boolean name="wifi_aggressive_handover" value="false" />

<boolean name="debug_layout" value="false" />

<boolean name="show_hw_screen_udpates" value="false" />

<boolean name="visiblepattern" value="true" />

<boolean name="lock_screen_menu_phone_shortcut" value="false" />

<boolean name="wifi_display_certification" value="false" />

<boolean name="strict_mode" value="false" />

<boolean name="show_hw_layers_udpates" value="false" />

<boolean name="usb_audio" value="false" />

<boolean name="direct_talkback" value="false" />

<boolean name="usb_ptp" value="false" />

<boolean name="adapt_noti" value="false" />

<boolean name="wifi_allow_scan_with_traffic" value="false" />

<boolean name="show_screen_updates" value="false" />

<boolean name="show_touches" value="false" />

<boolean name="debug_view_attributes" value="false" />

<boolean name="usb_mtp" value="true" />

<boolean name="location_network" value="true" />

<boolean name="wifi_verbose_logging" value="false" />

<boolean name="immediately_destroy_activities" value="false" />

<boolean name="oem_unlock_enable" value="true" />

<boolean name="verify_apps_over_usb" value="false" />

<boolean name="use_nuplayer" value="false" />

<boolean name="show_all_anrs" value="true" />

<boolean name="force_msaa" value="false" />

<boolean name="key_diagnostics_info" value="true" />

<boolean name="assistant_menu_preference" value="false" />

<boolean name="allow_mock_location" value="false" />

<boolean name="call_hearing_aid" value="false" />

<boolean name="pref_security_warning" value="true" />

<boolean name="disable_overlays" value="false" />

<boolean name="auto_swipe" value="false" />

<boolean name="power_button_instantly_locks" value="true" />

<string name="font_size">1.0</string>

<boolean name="24 hour" value="false" />

<boolean name="pref_device_provision" value="true" />

<string name="audio_output">0</string>

<boolean name="auto_time" value="true" />

<boolean name="direct_accesscontrol" value="true" />

<boolean name="usb_connection_state" value="false" />

<boolean name="help_text" value="true" />

<string name="sound_mode">1</string>

<boolean name="force_rtl_layout_all_locales" value="false" />

<string name="select_logd_size">262144</string>

</map>

However if you're using android 5.0 then you can't find this option as it didn't exsist.

Sent from my GALAXY Core Prime VE (G361H)..