diff --git a/module-apps/application-messages/ApplicationMessages.cpp b/module-apps/application-messages/ApplicationMessages.cpp
index e0fba622a..247c42f72 100644
--- a/module-apps/application-messages/ApplicationMessages.cpp
+++ b/module-apps/application-messages/ApplicationMessages.cpp
@@ -25,7 +25,7 @@
 #include <service-cellular/CellularMessage.hpp>
 #include <service-db/DBNotificationMessage.hpp>
 #include <service-appmgr/Controller.hpp>
-
+#include <apps-common/locks/data/PhoneLockMessages.hpp>
 namespace app
 {
     static constexpr auto messagesStackDepth = 1024 * 6; // 6Kb stack size
@@ -38,6 +38,8 @@ namespace app
           AsyncCallbackReceiver{this}
     {
         bus.channels.push_back(sys::BusChannel::ServiceDBNotifications);
+        bus.channels.push_back(sys::BusChannel::PhoneLockChanges);
+
         addActionReceiver(manager::actions::CreateSms,
                           [this](auto &&data) { return handleCreateSmsAction(std::move(data)); });
         addActionReceiver(manager::actions::ShowSmsTemplates, [this](auto &&data) {
@@ -70,6 +72,16 @@ namespace app
             }
             return sys::MessageNone{};
         });
+
+        connect(typeid(locks::UnlockedPhone), [&](sys::Message *msg) -> sys::MessagePointer {
+            phoneLockState = PhoneLockState::Unlocked;
+            return sys::MessageNone{};
+        });
+
+        connect(typeid(locks::LockedPhone), [&](sys::Message *msg) -> sys::MessagePointer {
+            phoneLockState = PhoneLockState::Locked;
+            return sys::MessageNone{};
+        });
     }
 
     // Invoked upon receiving data message
@@ -85,6 +97,9 @@ namespace app
             if (msg != nullptr) {
                 userInterfaceDBNotification(msgl,
                                             [&]([[maybe_unused]] sys::Message *, [[maybe_unused]] const std::string &) {
+                                                if (phoneLockState == PhoneLockState::Locked) {
+                                                    return false;
+                                                }
                                                 return msg->interface == db::Interface::Name::SMSThread ||
                                                        msg->interface == db::Interface::Name::SMS ||
                                                        msg->interface == db::Interface::Name::SMSTemplate;
diff --git a/module-apps/application-messages/include/application-messages/ApplicationMessages.hpp b/module-apps/application-messages/include/application-messages/ApplicationMessages.hpp
index be2b22b0b..3565bf079 100644
--- a/module-apps/application-messages/include/application-messages/ApplicationMessages.hpp
+++ b/module-apps/application-messages/include/application-messages/ApplicationMessages.hpp
@@ -69,6 +69,13 @@ namespace app
 
       private:
         ActionResult handleCreateSmsAction(std::unique_ptr<gui::SwitchData> data);
+
+        enum class PhoneLockState
+        {
+            Locked,
+            Unlocked
+        };
+        PhoneLockState phoneLockState = PhoneLockState::Unlocked;
     };
 
     template <>
diff --git a/module-apps/application-messages/windows/SMSThreadViewWindow.cpp b/module-apps/application-messages/windows/SMSThreadViewWindow.cpp
index f5f61dc6c..3ebd334ed 100644
--- a/module-apps/application-messages/windows/SMSThreadViewWindow.cpp
+++ b/module-apps/application-messages/windows/SMSThreadViewWindow.cpp
@@ -61,6 +61,10 @@ namespace gui
 
     void SMSThreadViewWindow::onBeforeShow(ShowMode mode, SwitchData *data)
     {
+        if (mode == ShowMode::GUI_SHOW_RETURN) {
+            smsList->rebuildList();
+        }
+
         if (auto pdata = dynamic_cast<SMSThreadData *>(data); pdata) {
             LOG_INFO("Thread data received: %" PRIu32, pdata->thread->ID);
             saveInfoAboutPreviousAppForProperSwitchBack(data);
diff --git a/pure_changelog.md b/pure_changelog.md
index d8e0357ef..27109f1f5 100644
--- a/pure_changelog.md
+++ b/pure_changelog.md
@@ -41,6 +41,7 @@
 * Fixed USB charging port detection.
 * Fixed Template window clearing after all templates are removed.
 * Fixed wrong notification about multiple unread messages in case there's only one unread left
+* Fixed missing notification about new SMS when phone was locked on application Messages
 
 ## [1.7.0 2023-03-23]
 ### Changed / Improved