mms_messaging_category advanced_category notifications_enabled sms_enabled send_sound true advanced_prefs buglesub_delivery_reports false buglesub_auto_retrieve_mms true buglesub_auto_retrieve_mms_when_roaming false buglesub_group_messaging true buglesub_mms_phone_number 600 300 300 notifications_group_children "'IMG'_yyyyMMdd_HHmmss" "yyyyMMdd_HHmmss" 300 4000 300 300