diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index 4d9f5f41c..cf45fdea5 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -15,17 +15,13 @@
   ~
   ~ You should have received a copy of the GNU General Public License
   ~ along with this program.  If not, see <http://www.gnu.org/licenses/>
-  -->
-
-<resources>
+  --><resources>
     <string name="app_copyright">"Prawa autorskie \u00A9 2015 \u002D "</string>
-
     <string name="navigation_drawer_open">"Otwórz panel nawigacji"</string>
     <string name="navigation_drawer_close">"Zamnkij panel nawigacji"</string>
-    <string name="scanner_message">"Skanowanie &#8230;"</string>
+    <string name="scanner_message">"Skanowanie …"</string>
     <string name="scanner_pause">"Wstrzymaj"</string>
     <string name="scanner_play">"Wznów"</string>
-
     <!-- action start -->
     <string name="action_access_points">"Punkty dostępu"</string>
     <string name="action_channel_rating">"Ocena kanałów"</string>
@@ -45,7 +41,6 @@
     <string name="throttling_msg">"W systemie Android 9 wprowadzono dławienie skanowania Wi-Fi. Android 10 ma nową opcję programisty umożliwiającą wyłączenie ograniczania przepustowości w (Ustawienia - Opcje programisty - Sieć - Ograniczanie przepustowości skanowania Wi-Fi)."</string>
     <string name="export_not_available">"Eksport niedostępny"</string>
     <string name="current_connection">"Aktualne połączenie"</string>
-
     <string name="channel_rating_best">"Najlepsze kanały:"</string>
     <string name="channel_rating_best_none">"Brak"</string>
     <string name="channel_rating_best_alternative">"%s, spróbuj alternatywne pasmo Wi-Fi %s"</string>
@@ -53,54 +48,40 @@
     <string name="channel_rating_heading_number">"Numer kanału"</string>
     <string name="channel_rating_heading_count">"Liczba punktów dostępu"</string>
     <string name="channel_short_name">"CH"</string>
-
     <string name="graph_channel_axis_x">"Kanały Wi-Fi"</string>
     <string name="graph_time_axis_x">"Liczba skanów"</string>
     <string name="graph_axis_y">"Siła sygnału (dBm)"</string>
-
     <!-- settings start -->
     <string name="country_code_title">"Kraj"</string>
-
     <string name="scan_speed_title">"Interwał skanowania"</string>
     <string name="scan_speed_summary">"%s sekund pomiędzy każdym skanem"</string>
-
     <string name="sort_by_title">"Sortuj punkty dostępu po"</string>
     <string name="sort_by_signal_strength">"Siła sygnału"</string>
     <string name="sort_by_channel">"Kanał"</string>
-
     <string name="group_by_title">"Grupuj punkty dostępu po"</string>
     <string name="group_by_none">"Nic"</string>
     <string name="group_by_channel">"Kanał"</string>
     <string name="group_by_virtual">"Virtual"</string>
-
     <string name="connection_view_title">"Widok połączeń"</string>
     <string name="connection_view_complete">"Pełny"</string>
     <string name="connection_view_compact">"Uproszczony"</string>
     <string name="connection_view_hide">"Ukryj"</string>
-
     <string name="ap_view_title">"Widok punktów dostępu"</string>
     <string name="ap_view_complete">"Pełny"</string>
     <string name="ap_view_compact">"Uproszczony"</string>
-
     <string name="graph_maximum_y_title">"Wykres siły sygnału"</string>
-
     <string name="channel_graph_legend_title">"Wyświetlanie legendy wykresu kanałów"</string>
     <string name="time_graph_legend_title">"Wyświetlanie legendy wykresu czasu"</string>
     <string name="graph_legend_left">"Lewo"</string>
     <string name="graph_legend_right">"Prawo"</string>
     <string name="graph_legend_hide">"Ukryj"</string>
-
     <string name="theme_title">"Motyw"</string>
     <string name="theme_dark">"Ciemny"</string>
     <string name="theme_light">"Jasny"</string>
     <string name="theme_system">"Systemowy"</string>
-
     <string name="wifi_off_on_exit_title">"Wyłączanie Wi-Fi przy wyjściu"</string>
-
     <string name="keep_screen_on_title">"Utrzymuj ekran włączony"</string>
-
     <string name="language_title">"Język"</string>
-
     <string name="reset_title">"Resetuj"</string>
     <!-- settings end -->
 
@@ -132,4 +113,9 @@
     <string name="wifi_throttling_on">"Ograniczanie skanowania Wi-Fi jest włączone"</string>
     <string name="wifi_throttling_off">"Ograniczanie skanowania Wi-Fi jest wyłączone"</string>
     <!-- wifi throttling end -->
+<string name="theme_black">Czarny</string>
+    <string name="about_documentation">Dokumentacja:</string>
+    <string name="about_how_to">Instrukcje:</string>
+    <string name="about_faq">Najczęściej zadawane pytania:</string>
+    <string name="about_privacy_policy">Polityka prywatności:</string>
 </resources>
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index 7aed3299d..2c430e7a0 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -15,17 +15,13 @@
   ~
   ~ You should have received a copy of the GNU General Public License
   ~ along with this program.  If not, see <http://www.gnu.org/licenses/>
-  -->
-
-<resources>
+  --><resources>
     <string name="app_copyright">"Direitos autorais \u00A9 2015 \u002D"</string>
-
     <string name="navigation_drawer_open">"Abrir gaveta de navegação"</string>
     <string name="navigation_drawer_close">"Fechar gaveta de navegação"</string>
-    <string name="scanner_message">"Buscando &#8230;"</string>
+    <string name="scanner_message">"Buscando …"</string>
     <string name="scanner_pause">"Pausar"</string>
     <string name="scanner_play">"Iniciar"</string>
-
     <!-- action start -->
     <string name="action_access_points">"Redes"</string>
     <string name="action_channel_rating">"Avaliações"</string>
@@ -45,7 +41,6 @@
     <string name="throttling_msg">"O Android 9 introduziu uma limitação na busca por Wi-Fi. O Android 10 tem uma opção de desenvolvedor nova para habilitar a limitação em (Configurações - Opções de desenvolvedor - Limitar busca por Wi-Fi)."</string>
     <string name="export_not_available">"O recurso de exportar não está disponível"</string>
     <string name="current_connection">"Conexão atual"</string>
-
     <string name="channel_rating_best">"Canais melhores:"</string>
     <string name="channel_rating_best_none">"Nenhum"</string>
     <string name="channel_rating_best_alternative">"%s, tente a frequência de %s"</string>
@@ -53,54 +48,40 @@
     <string name="channel_rating_heading_number">"Número"</string>
     <string name="channel_rating_heading_count">"Redes"</string>
     <string name="channel_short_name">"CN"</string>
-
     <string name="graph_channel_axis_x">"Canais de Wi-Fi"</string>
     <string name="graph_time_axis_x">"Número de buscas"</string>
     <string name="graph_axis_y">"Força do sinal (dBm)"</string>
-
     <!-- settings start -->
     <string name="country_code_title">"País"</string>
-
     <string name="scan_speed_title">"Intervalo de busca"</string>
     <string name="scan_speed_summary">"%s segundos para cada busca"</string>
-
     <string name="sort_by_title">"Ordenar redes por"</string>
     <string name="sort_by_signal_strength">"Força do sinal"</string>
     <string name="sort_by_channel">"Canal"</string>
-
     <string name="group_by_title">"Agrupar redes por"</string>
     <string name="group_by_none">"Nada"</string>
     <string name="group_by_channel">"Canal"</string>
     <string name="group_by_virtual">"MACs similares"</string>
-
     <string name="connection_view_title">"Descrição da conexão atual"</string>
     <string name="connection_view_complete">"Completa"</string>
     <string name="connection_view_compact">"Compacta"</string>
     <string name="connection_view_hide">"Ocultar"</string>
-
     <string name="ap_view_title">"Tela de redes"</string>
     <string name="ap_view_complete">"Completa"</string>
     <string name="ap_view_compact">"Compacta"</string>
-
     <string name="graph_maximum_y_title">"Força de sinal máxima do gráfico"</string>
-
     <string name="channel_graph_legend_title">"Legenda do gráfico"</string>
     <string name="time_graph_legend_title">"Legenda do histórico"</string>
     <string name="graph_legend_left">"Do lado esquerdo"</string>
     <string name="graph_legend_right">"Do lado direito"</string>
     <string name="graph_legend_hide">"Ocultar"</string>
-
     <string name="theme_title">"Tema"</string>
     <string name="theme_dark">"Escuro"</string>
     <string name="theme_light">"Claro"</string>
     <string name="theme_system">"O mesmo do sistema"</string>
-
     <string name="wifi_off_on_exit_title">"Desativar o Wi-Fi ao sair"</string>
-
     <string name="keep_screen_on_title">"Manter a tela ligada"</string>
-
     <string name="language_title">"Idioma"</string>
-
     <string name="reset_title">"Redefinir"</string>
     <!-- settings end -->
 
@@ -136,4 +117,5 @@
     <string name="wifi_throttling_on">"A limitação da busca por Wi-Fi está ativada"</string>
     <string name="wifi_throttling_off">"A limitação da busca por Wi-Fi está desativada"</string>
     <!-- wifi throttling end -->
+<string name="theme_black">Preto</string>
 </resources>
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index 1fc02ae7d..a76aead42 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -15,17 +15,13 @@
   ~
   ~ You should have received a copy of the GNU General Public License
   ~ along with this program.  If not, see <http://www.gnu.org/licenses/>
-  -->
-
-<resources>
-    <string name="app_copyright">"Авторские права \u00A9 2015 \u002D "</string>
-
+  --><resources>
+    <string name="app_copyright">Авторские права © 2015 -</string>
     <string name="navigation_drawer_open">"Открыть панель навигации"</string>
     <string name="navigation_drawer_close">"Закрыть панель навигации"</string>
-    <string name="scanner_message">"Сканирование &#8230;"</string>
+    <string name="scanner_message">"Сканирование …"</string>
     <string name="scanner_pause">"Приостановить"</string>
     <string name="scanner_play">"Воспроизвести"</string>
-
     <!-- action start -->
     <string name="action_access_points">"Точки доступа"</string>
     <string name="action_channel_rating">"Оценка каналов"</string>
@@ -45,7 +41,6 @@
     <string name="throttling_msg">"В Android 9 введено регулирование сканирования Wi-Fi. В Android 10 появилась новая опция разработчика, позволяющая отключить регулирование в (Настройки - Параметры разработчика - Сеть - Регулирование сканирования Wi-Fi)."</string>
     <string name="export_not_available">"Экспорт не доступен"</string>
     <string name="current_connection">"Текущее соединение"</string>
-
     <string name="channel_rating_best">"Лучшие каналы:"</string>
     <string name="channel_rating_best_none">"Нет"</string>
     <string name="channel_rating_best_alternative">"%s, попробуйте альтернативный Wi-Fi диапазон %s"</string>
@@ -53,54 +48,40 @@
     <string name="channel_rating_heading_number">"Номер канала"</string>
     <string name="channel_rating_heading_count">"Число точек доступа"</string>
     <string name="channel_short_name">"CH"</string>
-
     <string name="graph_channel_axis_x">"Wi-Fi каналы"</string>
     <string name="graph_time_axis_x">"Число сканирований"</string>
     <string name="graph_axis_y">"Уровень сигнала (dBm)"</string>
-
     <!-- settings start -->
     <string name="country_code_title">"Страна"</string>
-
     <string name="scan_speed_title">"Интервал сканирования"</string>
     <string name="scan_speed_summary">"%s секунд между каждым сканированием"</string>
-
     <string name="sort_by_title">"Сортировка"</string>
     <string name="sort_by_signal_strength">"Уровень сигнала"</string>
     <string name="sort_by_channel">"Канал"</string>
-
     <string name="group_by_title">"Группировка"</string>
     <string name="group_by_none">"Нет"</string>
     <string name="group_by_channel">"Канал"</string>
     <string name="group_by_virtual">"Виртуально"</string>
-
     <string name="connection_view_title">"Дисплей соединение"</string>
     <string name="connection_view_complete">"Полный"</string>
     <string name="connection_view_compact">"Компактный"</string>
     <string name="connection_view_hide">"Скрыть"</string>
-
     <string name="ap_view_title">"Точка доступа"</string>
     <string name="ap_view_complete">"Полный"</string>
     <string name="ap_view_compact">"Компактный"</string>
-
     <string name="graph_maximum_y_title">"Максимальная сила сигнала графика"</string>
-
     <string name="channel_graph_legend_title">"Показать легенду графика каналa"</string>
     <string name="time_graph_legend_title">"Показать легенду графика времени"</string>
     <string name="graph_legend_left">"Слева"</string>
     <string name="graph_legend_right">"Справа"</string>
     <string name="graph_legend_hide">"Скрыть"</string>
-
     <string name="theme_title">"Цветовая тема"</string>
     <string name="theme_dark">"Темная"</string>
     <string name="theme_light">"Светлая"</string>
     <string name="theme_system">"Система"</string>
-
     <string name="wifi_off_on_exit_title">"Wi-Fi выключен при выходе"</string>
-
     <string name="keep_screen_on_title">"Экран всегда включен"</string>
-
     <string name="language_title">"Язык"</string>
-
     <string name="reset_title">"Сброс"</string>
     <!-- settings end -->
 
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index de4f6079a..4eab796b6 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -15,17 +15,13 @@
   ~
   ~ You should have received a copy of the GNU General Public License
   ~ along with this program.  If not, see <http://www.gnu.org/licenses/>
-  -->
-
-<resources>
+  --><resources>
     <string name="app_copyright">"版权所有 \u00A9 2015 \u002D"</string>
-
     <string name="navigation_drawer_open">"打开导航抽屉"</string>
     <string name="navigation_drawer_close">"关闭导航抽屉"</string>
-    <string name="scanner_message">"正在扫描 &#8230;"</string>
+    <string name="scanner_message">"正在扫描 …"</string>
     <string name="scanner_pause">"暂停"</string>
     <string name="scanner_play">"恢复"</string>
-
     <!-- action start -->
     <string name="action_access_points">"接入点"</string>
     <string name="action_channel_rating">"信道评级"</string>
@@ -42,79 +38,64 @@
     <string name="no_data_msg">"请访问我们网站上的“常见问题”部分。"</string>
     <string name="permission_msg">"从 Android 棉花糖版本开始，执行 WLAN 扫描需要位置权限。 系统将提示您启用位置服务/权限。 由于此应用并不需要联网权限，你可以确信此应用不会泄露你的位置！"</string>
     <string name="location_msg">"当您使用此应用时，此应用可以通过位置信息服务获取您的确切位置信息。您必须开启设备的位置信息服务，此应用才能获取位置信息。这可能会增加耗电量。"</string>
-    <string name="throttling_msg">"Android 9 引入了 Wi-Fi 扫描限制。 Android 10 有一个新的开发人员选项，可在（设置 - 开发人员选项 - 网络 - Wi-Fi 扫描限制）下关闭限制。"</string>
+    <string name="throttling_msg">Android 9 引入了 WLAN 扫描调节。Android 10 有一个新的开发者选项，可在（设置 - 开发者选项 - 网络 - WLAN 扫描调节）中关闭调节。</string>
     <string name="export_not_available">"无可用的导出"</string>
     <string name="current_connection">"目前连接"</string>
-
     <string name="channel_rating_best">"最佳信道："</string>
     <string name="channel_rating_best_none">"无"</string>
-    <string name="channel_rating_best_alternative">"%s, 尝试其他 Wi-Fi 频段 %s"</string>
+    <string name="channel_rating_best_alternative">%s，尝试其他 Wi-Fi 频段 %s</string>
     <string name="channel_rating_heading_rating">"信道评级"</string>
     <string name="channel_rating_heading_number">"信道编号"</string>
     <string name="channel_rating_heading_count">"接入点数量"</string>
     <string name="channel_short_name">"信道"</string>
-
     <string name="graph_channel_axis_x">"Wi-Fi 信道"</string>
     <string name="graph_time_axis_x">"扫描次数"</string>
     <string name="graph_axis_y">"信号强度 (dBm)"</string>
-
     <!-- settings start -->
     <string name="country_code_title">"国家/地区"</string>
-
     <string name="scan_speed_title">"扫描间隔"</string>
     <string name="scan_speed_summary">每次扫描间隔 %s 秒</string>
-
     <string name="sort_by_title">"接入点排序依据"</string>
     <string name="sort_by_signal_strength">"信号强度"</string>
     <string name="sort_by_channel">"信道"</string>
-
     <string name="group_by_title">"接入点分组依据"</string>
     <string name="group_by_none">"无"</string>
     <string name="group_by_channel">"信道"</string>
     <string name="group_by_virtual">"虚拟"</string>
-
     <string name="connection_view_title">"连接展示"</string>
     <string name="connection_view_complete">"完整"</string>
     <string name="connection_view_compact">"紧凑"</string>
     <string name="connection_view_hide">"隐藏"</string>
-
     <string name="ap_view_title">"接入点展示"</string>
     <string name="ap_view_complete">"完整"</string>
     <string name="ap_view_compact">"紧凑"</string>
-
     <string name="graph_maximum_y_title">"图形最大信号强度"</string>
-
     <string name="channel_graph_legend_title">"信道图例显示位置"</string>
     <string name="time_graph_legend_title">"时间图例显示位置"</string>
     <string name="graph_legend_left">"左"</string>
     <string name="graph_legend_right">"右"</string>
     <string name="graph_legend_hide">"隐藏"</string>
-
     <string name="theme_title">"主题"</string>
     <string name="theme_dark">"深色"</string>
     <string name="theme_light">"浅色"</string>
     <string name="theme_system">"跟随系统"</string>
-
     <string name="wifi_off_on_exit_title">"退出时关闭 Wi-Fi"</string>
-
     <string name="keep_screen_on_title">"保持屏幕常亮"</string>
-
     <string name="language_title">"语言"</string>
-
     <string name="reset_title">"重置"</string>
     <!-- settings end -->
 
     <!-- about start -->
     <string name="about_license_title">"许可证："</string>
     <string name="about_description_title">"描述："</string>
-    <string name="about_description_text">"使用 WiFiAnalyzer 检查 Wi-Fi 网络状态、信号强度以及识别拥挤信道，从而优化您的 Wi-Fi 网络。"</string>
+    <string name="about_description_text">使用 WiFiAnalyzer 检查 Wi-Fi 网络状态、信号强度以及识别拥挤信道，从而优化您的 Wi-Fi 网络</string>
     <string name="about_libraries_title">"使用的库："</string>
     <string name="about_documentation">"文档："</string>
     <string name="about_how_to">"如何操作："</string>
     <string name="about_faq">"常见问题："</string>
     <string name="about_privacy_policy">"隐私政策："</string>
     <string name="about_contributor_title">"贡献者"</string>
-    <string name="about_write_review">"写一条评论"</string>
+    <string name="about_write_review">写评论</string>
     <!-- about end -->
 
     <!-- security start -->
@@ -133,7 +114,8 @@
     <!-- filter end -->
 
     <!-- wifi throttling start -->
-    <string name="wifi_throttling_on">"Wi-Fi 扫描限制已启用"</string>
-    <string name="wifi_throttling_off">"Wi-Fi 扫描限制已禁用"</string>
+    <string name="wifi_throttling_on">WLAN 扫描调节已启用</string>
+    <string name="wifi_throttling_off">WLAN 扫描调节已禁用</string>
     <!-- wifi throttling end -->
+<string name="theme_black">黑色</string>
 </resources>