diff --git a/app/src/main/java/com/emanuelef/remote_capture/Billing.java b/app/src/main/java/com/emanuelef/remote_capture/Billing.java
index bc734ef2..df5ba02d 100644
--- a/app/src/main/java/com/emanuelef/remote_capture/Billing.java
+++ b/app/src/main/java/com/emanuelef/remote_capture/Billing.java
@@ -64,6 +64,7 @@ public class Billing {
             R.string.no_items_for_purchase, R.string.billing_failure,
             R.string.learn_more, R.string.buy_action,
             R.string.can_use_purchased_feature, R.drawable.ic_shopping_cart,
+            R.string.firewall_summary, R.string.no_root_firewall
     };
 
     protected final Context mContext;
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index 0b5078f0..4f4528b4 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -92,7 +92,6 @@
     <string name="collector_info">UDP-Kollektor: %1$s:%2$d</string>
     <string name="save_to_file">Speichern unter</string>
     <string name="older_connections_notice">%1$d älter Verbindungen werden nicht angezeigt</string>
-    <string name="tls_how_to">So richtest du die TLS-Entschlüsselung ein</string>
     <string name="unknown_app">Unbekannt</string>
     <string name="enable_ipv6_summary">IPv6-Verbindungen zum Internet zulassen. Verwende dies nur in Netzwerken mit einem IPv6-Gateway</string>
     <string name="error">Fehler</string>
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index 38cdef37..26a8461a 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -71,7 +71,6 @@
     <string name="older_connections_notice">%1$d conexiones antiguas no mostradas</string>
     <string name="about_text">PCAPdroid es una herramienta de captura y monitorización de red de código abierto que funciona sin privilegios root</string>
     <string name="get_app">Obténgalo:</string>
-    <string name="tls_how_to">Cómo configurar el descifrado TLS</string>
     <string name="unknown_app">Desconocido</string>
     <string name="ipv6">IPv6</string>
     <string name="enable_ipv6_summary">Permite las conexiones IPv6 a Internet. Utilízalo solo en redes con una puerta de enlace IPv6</string>
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index c86fe524..af0d7785 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -111,7 +111,6 @@
     <string name="receiver_port">Port du collecteur</string>
     <string name="pcap_file_info">Créer une fichier PCAP dans l\'espace de stockage</string>
     <string name="enable_ipv6_summary">Autoriser les connexions internet IPv6. À n\'utiliser que sur les réseaux connecté en IPv6</string>
-    <string name="tls_how_to">Comment configurer un décryptage TLS</string>
     <string name="get_app">L\'obtenir :</string>
     <string name="about_text">PCAPdroid est un outil open-source de capture et de suivi de réseau qui fonctionne sans un compte administrateur</string>
     <string name="proxy_port">Port de proxy</string>
@@ -226,15 +225,12 @@
     <string name="phone_app">Téléphone</string>
     <string name="phone_app_info">Services téléphoniques</string>
     <string name="unblock">Débloquer…</string>
-    <string name="next_step">Suivant</string>
     <string name="tls_decryption">Décryptage TLS</string>
     <string name="traffic_inspection">Inspection du trafic</string>
     <string name="install_action">Installer</string>
     <string name="export_action">Exporter</string>
     <string name="configure_action">Configurer</string>
-    <string name="done">OK</string>
     <string name="cert_installed_correctly">Le certificat CA est installé</string>
-    <string name="ca_installation_failed">Échec de l\'installation du certificat CA</string>
     <string name="checking_the_certificate">Vérification du certificat…</string>
     <string name="upgrade_action">Mettre à jour</string>
     <string name="export_failed">Échec de l\'export</string>
@@ -287,4 +283,4 @@
     <string name="firewall_is_enabled">Le pare-feu est actif</string>
     <string name="num_configured_rules">Règles configurées</string>
     <string name="action_unblock">Débloquer</string>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/app/src/main/res/values-in/strings.xml b/app/src/main/res/values-in/strings.xml
index 552d463e..e13e4114 100644
--- a/app/src/main/res/values-in/strings.xml
+++ b/app/src/main/res/values-in/strings.xml
@@ -97,7 +97,6 @@
     <string name="conn_status_closed">Tertutup</string>
     <string name="about_text">PCAPdroid adalah alat penangkapan dan pemantauan jaringan sumber terbuka yang bekerja tanpa hak akses root</string>
     <string name="get_app">Dapatkan:</string>
-    <string name="tls_how_to">Cara mengatur dekripsi TLS</string>
     <string name="error">Kesalahan</string>
     <string name="app_language">Bahasa</string>
     <string name="no_activity_file_selection">Tidak ada aplikasi yang ditemukan untuk menangani pemilihan file</string>
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index 1f2160fa..cc1a2c55 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -71,7 +71,6 @@
     <string name="older_connections_notice">%1$d connessioni precedenti nascoste</string>
     <string name="about_text">PCAPdroid è un software libero per la cattura e il monitoraggio di rete che funziona senza privilegi di root</string>
     <string name="get_app">Scaricala:</string>
-    <string name="tls_how_to">Come impostare la decrittazione TLS</string>
     <string name="unknown_app">Sconosciuta</string>
     <string name="ipv6">Abilita IPv6</string>
     <string name="enable_ipv6_summary">Permetti connessioni internet IPv6. Da abilitare soltanto in reti con gateway IPv6</string>
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index d31fa47c..b3be2e75 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -71,7 +71,6 @@
     <string name="older_connections_notice">%1$d より古い接続は表示されません</string>
     <string name="about_text">PCAPdroid はルート権限なしで動作するオープン ソースのネットワーク キャプチャ、モニタリング ツールです</string>
     <string name="get_app">入手:</string>
-    <string name="tls_how_to">TLS 復号化のセットアップ方法</string>
     <string name="unknown_app">不明</string>
     <string name="ipv6">IPv6 を有効にする</string>
     <string name="enable_ipv6_summary">IPv6 インターネット接続を許可します。IPv6 ゲートウェイを搭載したネットワークでのみ有効にする必要があります</string>
diff --git a/app/src/main/res/values-nb-rNO/strings.xml b/app/src/main/res/values-nb-rNO/strings.xml
index d335ef2f..3c9f6686 100644
--- a/app/src/main/res/values-nb-rNO/strings.xml
+++ b/app/src/main/res/values-nb-rNO/strings.xml
@@ -63,7 +63,6 @@
     <string name="older_connections_notice">%1$d eldre tilkoblinger vises ikke</string>
     <string name="about_text">PCAPdroid er et fritt verktøy for nettverksovervåkning og lagring, som fungerer uten rot-tilgang</string>
     <string name="get_app">Hent det:</string>
-    <string name="tls_how_to">Hvordan sette opp TLS-dekryptering</string>
     <string name="conn_status_unreachable">Kan ikke nåes</string>
     <string name="theme_light">Lys</string>
     <string name="donate">Doner</string>
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index c10bdc98..d67f5435 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -72,7 +72,6 @@
     <string name="older_connections_notice">%1$d conexões mais antigas não mostradas</string>
     <string name="about_text">PCAPdroid é uma ferramenta de software livre de captura e monitoramento de rede que funciona sem acesso root</string>
     <string name="get_app">Baixar:</string>
-    <string name="tls_how_to">Como configurar decriptação de TLS</string>
     <string name="unknown_app">Desconhecido</string>
     <string name="ipv6">IPv6</string>
     <string name="enable_ipv6_summary">Permitir conexões IPv6. Deveria usar apenas em redes com um gateway IPv6</string>
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index 80908019..45f02f10 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -71,7 +71,6 @@
     <string name="older_connections_notice">%1$d старых соединений не показано</string>
     <string name="about_text">PCAPdroid это свободный инструмент захвата и отслеживания сетевого трафика, который работает без привилегий суперпользователя</string>
     <string name="get_app">Получить его:</string>
-    <string name="tls_how_to">Как настроить расшифровку TLS</string>
     <string name="unknown_app">Неизвестное</string>
     <string name="ipv6">Включить IPv6</string>
     <string name="enable_ipv6_summary">Разрешить IPv6 соединения с интернетом. Это следует включать только в сетях с IPv6 шлюзом</string>
@@ -231,15 +230,12 @@
     <string name="tls_decryption_summary">Дешифрование SSL/TLS траффика посредством mitm. Это может работать с некоторыми приложениями, ознакомьтесь с руководством пользователя</string>
     <string name="traffic_inspection">Просмотр траффика</string>
     <string name="mitm_setup_wizard">Мастер настройки mitm</string>
-    <string name="next_step">Далее</string>
     <string name="install_action">Установить</string>
     <string name="export_action">Экспорт</string>
     <string name="grant_mitm_permission">Дать PCAPdroid возможность дешифрования сетевого траффика</string>
     <string name="configure_action">Настроить</string>
-    <string name="ca_installation_failed">Установка сертификата ЦС не удалась</string>
     <string name="cert_exported_now_installed">Сертификат экспортирован, теперь установите его из настроек Android</string>
     <string name="cert_reinstall_required">Сертификат ЦС не установлен, запустите мастер настройки mitm</string>
-    <string name="done">Готово</string>
     <string name="mitm_addon_new_version">Плагин для PCAPdroid необходимо обновить</string>
     <string name="upgrade_action">Обновить</string>
     <string name="string_http_request">HTTP запрос</string>
@@ -308,4 +304,4 @@
     <string name="geo_db_download">Нажмите для загрузки новейшей базы данных. Новые базы данных доступны каждый месяц</string>
     <string name="firewall_is_disabled">Файрвол выключен</string>
     <string name="geolocation_summary">Добавление информации о стране и ASN посредством локальных проверок</string>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/app/src/main/res/values-tr/strings.xml b/app/src/main/res/values-tr/strings.xml
index a40dee6b..24bea085 100644
--- a/app/src/main/res/values-tr/strings.xml
+++ b/app/src/main/res/values-tr/strings.xml
@@ -57,7 +57,6 @@
     <string name="last_seen">Son görüldü</string>
     <string name="conn_status_closed">Kapalı</string>
     <string name="older_connections_notice">%1$d eski bağlantı gösterilmiyor</string>
-    <string name="tls_how_to">TLS şifre çözme nasıl kurulur</string>
     <string name="unknown_app">Bilinmeyen</string>
     <string name="enable_ipv6_summary">İnternete IPv6 bağlantıları yapmaya izin verin. Bunu yalnızca IPv6 ağ geçidi olan ağlarda kullanın</string>
     <string name="other_prefs">Diğer</string>
@@ -225,12 +224,10 @@
     <string name="tls_decryption">TLS şifre çözme</string>
     <string name="tls_decryption_starting">TLS şifre çözme başlıyor</string>
     <string name="mitm_setup_wizard">Ortadaki adam kurulum sihirbazı</string>
-    <string name="next_step">İleri</string>
     <string name="install_action">Kur</string>
     <string name="install_mitm_addon">PCAPdroid ortadaki adam eklentisini kur</string>
     <string name="export_ca_certificate">PCAPdroid CA sertifikasını dışa aktarın, ardından Android \"Şifreleme ve Kimlik Bilgileri\" ayarlarını açın ve \"CA sertifikası\" olarak kurmayı seçin</string>
     <string name="checking_the_certificate">Sertifika denetleniyor…</string>
-    <string name="ca_installation_failed">CA sertifikası kurulamadı</string>
     <string name="cert_exported_now_installed">Sertifika dışa aktarıldı, şimdi Android ayarlarından onu kurun</string>
     <string name="cert_installed_correctly">CA sertifikası kuruldu</string>
     <string name="mitm_addon_bad_version">Hatalı PCAPdroid ortadaki adam eklentisi sürümü. Kaldırın ve tekrar deneyin</string>
@@ -280,7 +277,6 @@
     <string name="mitm_start_failed">Ortadaki adam hizmeti başlatılamadı. Ortadaki adam eklentisini yeniden kurun ve yeniden deneyin</string>
     <string name="not_encrypted">Şifrelenmedi</string>
     <string name="cert_reinstall_required">CA sertifikası kurulmadı, ortadaki adam kurulum sihirbazını çalıştırın</string>
-    <string name="done">Bitti</string>
     <string name="export_failed">Dışa aktarılamadı</string>
     <string name="response">Yanıt</string>
     <string name="string_http_request">HTTP isteği</string>
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 3ced3880..f8784f63 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -97,7 +97,6 @@
     <string name="older_connections_notice">未显示 %1$d 个较旧连接</string>
     <string name="about_text">PCAPdroid 是一款无需获取根权限便可进行网络捕获和监视的开源工具</string>
     <string name="get_app">获取应用:</string>
-    <string name="tls_how_to">如何设置 TLS 解密</string>
     <string name="unknown_app">未知</string>
     <string name="ipv6">启用 IPv6</string>
     <string name="enable_ipv6_summary">允许 IPv6 网络连接。仅在带有 IPv6 网关的网络中使用</string>
@@ -259,17 +258,14 @@
     <string name="traffic_inspection">流量检查</string>
     <string name="mitm_start_failed">无法启动 mitm 服务。重新安装 mitm 附加组件并重试</string>
     <string name="mitm_setup_wizard">Mitm 设置向导</string>
-    <string name="next_step">下一步</string>
     <string name="install_action">安装</string>
     <string name="install_mitm_addon">安装 PCAPdriod mitm 附加组件</string>
     <string name="configure_action">配置</string>
     <string name="grant_mitm_permission">给予 PCAPdroid 解密网络流量的能力</string>
     <string name="checking_the_certificate">检查证书…</string>
-    <string name="ca_installation_failed">CA 证书安装失败</string>
     <string name="cert_exported_now_installed">证书已导出，从 Android 系统设置安装它</string>
     <string name="cert_installed_correctly">CA 证书已安装</string>
     <string name="cert_reinstall_required">CA 证书未安装，运行 mitim 设置向导</string>
-    <string name="done">完毕</string>
     <string name="mitm_addon_bad_version">PCAPdroid mitm 附加组件版本号不对。卸载它并重试</string>
     <string name="mitm_addon_new_version">必须升级 PCAPdroid 插件</string>
     <string name="upgrade_action">升级</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index b2ea9455..e9d08b29 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -103,7 +103,6 @@
     <string name="older_connections_notice">%1$d older connections not shown</string>
     <string name="about_text">PCAPdroid is an open source network capture and monitoring tool which works without root privileges</string>
     <string name="get_app">Get it:</string>
-    <string name="tls_how_to">How to set up the TLS decryption</string>
     <string name="unknown_app">Unknown</string>
     <string name="phone_app">Phone</string>
     <string name="ipv6">IPv6</string>
@@ -264,9 +263,6 @@
     <string name="traffic_inspection">Traffic inspection</string>
     <string name="mitm_start_failed">Could not start the mitm service. Reinstall the mitm addon and retry</string>
     <string name="mitm_setup_wizard">Mitm setup wizard</string>
-    <string name="app_intro_next_button">Next</string>
-    <string name="app_intro_skip_button">Skip</string>
-    <string name="app_intro_back_button">Back</string>
     <string name="install_action">Install</string>
     <string name="export_action">Export</string>
     <string name="install_mitm_addon">Install the PCAPdroid <a href='%1$s'>mitm addon</a>.\n\nNOTE: The addon depends on closed source software</string>
@@ -279,7 +275,6 @@
     <string name="cert_exported_now_installed">Certificate exported, now install it from the Android settings</string>
     <string name="cert_installed_correctly">The CA certificate is installed</string>
     <string name="cert_reinstall_required">The CA certificate is not installed, run the mitm setup wizard</string>
-    <string name="app_intro_done_button">Done</string>
     <string name="mitm_addon_bad_version">Bad PCAPdroid mitm addon version. Uninstall it and retry</string>
     <string name="mitm_addon_new_version">The PCAPdroid plugin must be upgraded</string>
     <string name="upgrade_action">Upgrade</string>
@@ -350,6 +345,10 @@
     <string name="mitm_setup_wizard_intro">This wizard will guide you through the installation of the PCAPdroid mitm addon and certification authority, which are needed to perform the <a href='%1$s'>TLS decryption</a></string>
     <string name="mitm_setup_wizard_done">PCAPdroid is now ready to decrypt the TLS traffic\n\nCheck out the <a href='%1$s'>user guide</a> to know more about the security measures which may prevent decryption and how to bypass them</string>
     <string name="welcome_to_pcapdroid">Welcome to PCAPdroid</string>
+    <string name="app_intro_next_button">Next</string>
+    <string name="app_intro_skip_button">Skip</string>
+    <string name="app_intro_back_button">Back</string>
+    <string name="app_intro_done_button">Done</string>
     <string name="app_intro_welcome_msg">PCAPdroid is a privacy-friendly app which lets you track and analyze the connections made by the apps in your device\n\nMoreover, it allows you to export a PCAP dump of the traffic, extract metadata and much more!</string>
     <string name="privacy_first">Privacy first</string>
     <string name="app_intro_privacy_msg">The app does not employ any tracking, analytics or calling home anti-features\n\nHow can you be sure? Check out its <a href='%1$s'>privacy policy</a> and its <a href='%2$s'>source code</a></string>