diff --git a/src/displayapp/DisplayApp.cpp b/src/displayapp/DisplayApp.cpp
index 1fcc7464..41e73f33 100644
--- a/src/displayapp/DisplayApp.cpp
+++ b/src/displayapp/DisplayApp.cpp
@@ -63,7 +63,7 @@ DisplayApp::DisplayApp(Drivers::St7789& lcd,
                        Components::LittleVgl& lvgl,
                        const Drivers::Cst816S& touchPanel,
                        const Controllers::Battery& batteryController,
-                       Controllers::Ble& bleController,
+                       const Controllers::Ble& bleController,
                        Controllers::DateTime& dateTimeController,
                        Drivers::WatchdogView& watchdog,
                        Pinetime::Controllers::NotificationManager& notificationManager,
diff --git a/src/displayapp/DisplayApp.h b/src/displayapp/DisplayApp.h
index 080fa110..b246dd63 100644
--- a/src/displayapp/DisplayApp.h
+++ b/src/displayapp/DisplayApp.h
@@ -55,7 +55,7 @@ namespace Pinetime {
                  Components::LittleVgl& lvgl,
                  const Drivers::Cst816S&,
                  const Controllers::Battery& batteryController,
-                 Controllers::Ble& bleController,
+                 const Controllers::Ble& bleController,
                  Controllers::DateTime& dateTimeController,
                  Drivers::WatchdogView& watchdog,
                  Pinetime::Controllers::NotificationManager& notificationManager,
@@ -82,7 +82,7 @@ namespace Pinetime {
       Pinetime::Components::LittleVgl& lvgl;
       const Pinetime::Drivers::Cst816S& touchPanel;
       const Pinetime::Controllers::Battery& batteryController;
-      Pinetime::Controllers::Ble& bleController;
+      const Pinetime::Controllers::Ble& bleController;
       Pinetime::Controllers::DateTime& dateTimeController;
       Pinetime::Drivers::WatchdogView& watchdog;
       Pinetime::System::SystemTask* systemTask = nullptr;
diff --git a/src/displayapp/DisplayAppRecovery.cpp b/src/displayapp/DisplayAppRecovery.cpp
index 12d00fe6..f6e86864 100644
--- a/src/displayapp/DisplayAppRecovery.cpp
+++ b/src/displayapp/DisplayAppRecovery.cpp
@@ -14,7 +14,7 @@ DisplayApp::DisplayApp(Drivers::St7789& lcd,
                        Components::LittleVgl& /*lvgl*/,
                        const Drivers::Cst816S& /*touchPanel*/,
                        const Controllers::Battery& /*batteryController*/,
-                       Controllers::Ble& bleController,
+                       const Controllers::Ble& bleController,
                        Controllers::DateTime& /*dateTimeController*/,
                        Drivers::WatchdogView& /*watchdog*/,
                        Pinetime::Controllers::NotificationManager& /*notificationManager*/,
diff --git a/src/displayapp/DisplayAppRecovery.h b/src/displayapp/DisplayAppRecovery.h
index 8c62b1c0..6778003f 100644
--- a/src/displayapp/DisplayAppRecovery.h
+++ b/src/displayapp/DisplayAppRecovery.h
@@ -50,7 +50,7 @@ namespace Pinetime {
                  Components::LittleVgl& lvgl,
                  const Drivers::Cst816S&,
                  const Controllers::Battery& batteryController,
-                 Controllers::Ble& bleController,
+                 const Controllers::Ble& bleController,
                  Controllers::DateTime& dateTimeController,
                  Drivers::WatchdogView& watchdog,
                  Pinetime::Controllers::NotificationManager& notificationManager,
@@ -80,7 +80,7 @@ namespace Pinetime {
       void InitHw();
       void Refresh();
       Pinetime::Drivers::St7789& lcd;
-      Controllers::Ble& bleController;
+      const Controllers::Ble& bleController;
 
       static constexpr uint8_t queueSize = 10;
       static constexpr uint8_t itemSize = 1;
diff --git a/src/displayapp/screens/ApplicationList.cpp b/src/displayapp/screens/ApplicationList.cpp
index d0a5cf23..d5f815db 100644
--- a/src/displayapp/screens/ApplicationList.cpp
+++ b/src/displayapp/screens/ApplicationList.cpp
@@ -21,7 +21,7 @@ auto ApplicationList::CreateScreenList() const {
 ApplicationList::ApplicationList(Pinetime::Applications::DisplayApp* app,
                                  Pinetime::Controllers::Settings& settingsController,
                                  const Pinetime::Controllers::Battery& batteryController,
-                                 Pinetime::Controllers::Ble& bleController,
+                                 const Pinetime::Controllers::Ble& bleController,
                                  Controllers::DateTime& dateTimeController)
   : Screen(app),
     settingsController {settingsController},
diff --git a/src/displayapp/screens/ApplicationList.h b/src/displayapp/screens/ApplicationList.h
index 8b52acad..eff4c8a6 100644
--- a/src/displayapp/screens/ApplicationList.h
+++ b/src/displayapp/screens/ApplicationList.h
@@ -19,7 +19,7 @@ namespace Pinetime {
         explicit ApplicationList(DisplayApp* app,
                                  Pinetime::Controllers::Settings& settingsController,
                                  const Pinetime::Controllers::Battery& batteryController,
-                                 Pinetime::Controllers::Ble& bleController,
+                                 const Pinetime::Controllers::Ble& bleController,
                                  Controllers::DateTime& dateTimeController);
         ~ApplicationList() override;
         bool OnTouchEvent(TouchEvents event) override;
@@ -30,7 +30,7 @@ namespace Pinetime {
 
         Controllers::Settings& settingsController;
         const Pinetime::Controllers::Battery& batteryController;
-        Pinetime::Controllers::Ble& bleController;
+        const Pinetime::Controllers::Ble& bleController;
         Controllers::DateTime& dateTimeController;
 
         static constexpr int appsPerScreen = 6;
diff --git a/src/displayapp/screens/Clock.cpp b/src/displayapp/screens/Clock.cpp
index 7047dfd6..640a393d 100644
--- a/src/displayapp/screens/Clock.cpp
+++ b/src/displayapp/screens/Clock.cpp
@@ -20,7 +20,7 @@ using namespace Pinetime::Applications::Screens;
 Clock::Clock(DisplayApp* app,
              Controllers::DateTime& dateTimeController,
              const Controllers::Battery& batteryController,
-             Controllers::Ble& bleController,
+             const Controllers::Ble& bleController,
              Controllers::NotificationManager& notificationManager,
              Controllers::Settings& settingsController,
              Controllers::HeartRateController& heartRateController,
diff --git a/src/displayapp/screens/Clock.h b/src/displayapp/screens/Clock.h
index de32c846..dd97fa9b 100644
--- a/src/displayapp/screens/Clock.h
+++ b/src/displayapp/screens/Clock.h
@@ -24,7 +24,7 @@ namespace Pinetime {
         Clock(DisplayApp* app,
               Controllers::DateTime& dateTimeController,
               const Controllers::Battery& batteryController,
-              Controllers::Ble& bleController,
+              const Controllers::Ble& bleController,
               Controllers::NotificationManager& notificationManager,
               Controllers::Settings& settingsController,
               Controllers::HeartRateController& heartRateController,
@@ -38,7 +38,7 @@ namespace Pinetime {
       private:
         Controllers::DateTime& dateTimeController;
         const Controllers::Battery& batteryController;
-        Controllers::Ble& bleController;
+        const Controllers::Ble& bleController;
         Controllers::NotificationManager& notificationManager;
         Controllers::Settings& settingsController;
         Controllers::HeartRateController& heartRateController;
diff --git a/src/displayapp/screens/FirmwareUpdate.cpp b/src/displayapp/screens/FirmwareUpdate.cpp
index 01530e1c..51347703 100644
--- a/src/displayapp/screens/FirmwareUpdate.cpp
+++ b/src/displayapp/screens/FirmwareUpdate.cpp
@@ -5,7 +5,7 @@
 
 using namespace Pinetime::Applications::Screens;
 
-FirmwareUpdate::FirmwareUpdate(Pinetime::Applications::DisplayApp* app, Pinetime::Controllers::Ble& bleController)
+FirmwareUpdate::FirmwareUpdate(Pinetime::Applications::DisplayApp* app, const Pinetime::Controllers::Ble& bleController)
   : Screen(app), bleController {bleController} {
 
   titleLabel = lv_label_create(lv_scr_act(), nullptr);
diff --git a/src/displayapp/screens/FirmwareUpdate.h b/src/displayapp/screens/FirmwareUpdate.h
index cc3b09b2..067e4e40 100644
--- a/src/displayapp/screens/FirmwareUpdate.h
+++ b/src/displayapp/screens/FirmwareUpdate.h
@@ -14,14 +14,14 @@ namespace Pinetime {
 
       class FirmwareUpdate : public Screen {
       public:
-        FirmwareUpdate(DisplayApp* app, Pinetime::Controllers::Ble& bleController);
+        FirmwareUpdate(DisplayApp* app, const Pinetime::Controllers::Ble& bleController);
         ~FirmwareUpdate() override;
 
         void Refresh() override;
 
       private:
         enum class States { Idle, Running, Validated, Error };
-        Pinetime::Controllers::Ble& bleController;
+        const Pinetime::Controllers::Ble& bleController;
         lv_obj_t* bar1;
         lv_obj_t* percentLabel;
         lv_obj_t* titleLabel;
diff --git a/src/displayapp/screens/SystemInfo.cpp b/src/displayapp/screens/SystemInfo.cpp
index 22504fa0..7b399bd2 100644
--- a/src/displayapp/screens/SystemInfo.cpp
+++ b/src/displayapp/screens/SystemInfo.cpp
@@ -34,7 +34,7 @@ SystemInfo::SystemInfo(Pinetime::Applications::DisplayApp* app,
                        Pinetime::Controllers::DateTime& dateTimeController,
                        const Pinetime::Controllers::Battery& batteryController,
                        Pinetime::Controllers::BrightnessController& brightnessController,
-                       Pinetime::Controllers::Ble& bleController,
+                       const Pinetime::Controllers::Ble& bleController,
                        Pinetime::Drivers::WatchdogView& watchdog,
                        Pinetime::Controllers::MotionController& motionController,
                        const Pinetime::Drivers::Cst816S& touchPanel)
diff --git a/src/displayapp/screens/SystemInfo.h b/src/displayapp/screens/SystemInfo.h
index d6629f01..ec9285d7 100644
--- a/src/displayapp/screens/SystemInfo.h
+++ b/src/displayapp/screens/SystemInfo.h
@@ -26,7 +26,7 @@ namespace Pinetime {
                             Pinetime::Controllers::DateTime& dateTimeController,
                             const Pinetime::Controllers::Battery& batteryController,
                             Pinetime::Controllers::BrightnessController& brightnessController,
-                            Pinetime::Controllers::Ble& bleController,
+                            const Pinetime::Controllers::Ble& bleController,
                             Pinetime::Drivers::WatchdogView& watchdog,
                             Pinetime::Controllers::MotionController& motionController,
                             const Pinetime::Drivers::Cst816S& touchPanel);
@@ -37,7 +37,7 @@ namespace Pinetime {
         Pinetime::Controllers::DateTime& dateTimeController;
         const Pinetime::Controllers::Battery& batteryController;
         Pinetime::Controllers::BrightnessController& brightnessController;
-        Pinetime::Controllers::Ble& bleController;
+        const Pinetime::Controllers::Ble& bleController;
         Pinetime::Drivers::WatchdogView& watchdog;
         Pinetime::Controllers::MotionController& motionController;
         const Pinetime::Drivers::Cst816S& touchPanel;
diff --git a/src/displayapp/screens/Tile.cpp b/src/displayapp/screens/Tile.cpp
index 9f73432f..fafcfd87 100644
--- a/src/displayapp/screens/Tile.cpp
+++ b/src/displayapp/screens/Tile.cpp
@@ -29,7 +29,7 @@ Tile::Tile(uint8_t screenID,
            DisplayApp* app,
            Controllers::Settings& settingsController,
            const Controllers::Battery& batteryController,
-           Controllers::Ble& bleController,
+           const Controllers::Ble& bleController,
            Controllers::DateTime& dateTimeController,
            std::array<Applications, 6>& applications)
   : Screen(app),
diff --git a/src/displayapp/screens/Tile.h b/src/displayapp/screens/Tile.h
index 942181ab..c067f29b 100644
--- a/src/displayapp/screens/Tile.h
+++ b/src/displayapp/screens/Tile.h
@@ -26,7 +26,7 @@ namespace Pinetime {
                       DisplayApp* app,
                       Controllers::Settings& settingsController,
                       const Controllers::Battery& batteryController,
-                      Controllers::Ble& bleController,
+                      const Controllers::Ble& bleController,
                       Controllers::DateTime& dateTimeController,
                       std::array<Applications, 6>& applications);
 
diff --git a/src/displayapp/screens/WatchFaceAnalog.cpp b/src/displayapp/screens/WatchFaceAnalog.cpp
index 97c6348d..c9607335 100644
--- a/src/displayapp/screens/WatchFaceAnalog.cpp
+++ b/src/displayapp/screens/WatchFaceAnalog.cpp
@@ -46,7 +46,7 @@ namespace {
 WatchFaceAnalog::WatchFaceAnalog(Pinetime::Applications::DisplayApp* app,
                                  Controllers::DateTime& dateTimeController,
                                  const Controllers::Battery& batteryController,
-                                 Controllers::Ble& bleController,
+                                 const Controllers::Ble& bleController,
                                  Controllers::NotificationManager& notificationManager,
                                  Controllers::Settings& settingsController)
   : Screen(app),
diff --git a/src/displayapp/screens/WatchFaceAnalog.h b/src/displayapp/screens/WatchFaceAnalog.h
index 051dd3cc..25438384 100644
--- a/src/displayapp/screens/WatchFaceAnalog.h
+++ b/src/displayapp/screens/WatchFaceAnalog.h
@@ -27,7 +27,7 @@ namespace Pinetime {
         WatchFaceAnalog(DisplayApp* app,
                         Controllers::DateTime& dateTimeController,
                         const Controllers::Battery& batteryController,
-                        Controllers::Ble& bleController,
+                        const Controllers::Ble& bleController,
                         Controllers::NotificationManager& notificationManager,
                         Controllers::Settings& settingsController);
 
@@ -75,7 +75,7 @@ namespace Pinetime {
 
         const Controllers::DateTime& dateTimeController;
         const Controllers::Battery& batteryController;
-        Controllers::Ble& bleController;
+        const Controllers::Ble& bleController;
         Controllers::NotificationManager& notificationManager;
         Controllers::Settings& settingsController;
 
diff --git a/src/displayapp/screens/WatchFaceCasioStyleG7710.cpp b/src/displayapp/screens/WatchFaceCasioStyleG7710.cpp
index 09e96277..5e0e802f 100644
--- a/src/displayapp/screens/WatchFaceCasioStyleG7710.cpp
+++ b/src/displayapp/screens/WatchFaceCasioStyleG7710.cpp
@@ -18,7 +18,7 @@ using namespace Pinetime::Applications::Screens;
 WatchFaceCasioStyleG7710::WatchFaceCasioStyleG7710(DisplayApp* app,
                                                    Controllers::DateTime& dateTimeController,
                                                    const Controllers::Battery& batteryController,
-                                                   Controllers::Ble& bleController,
+                                                   const Controllers::Ble& bleController,
                                                    Controllers::NotificationManager& notificatioManager,
                                                    Controllers::Settings& settingsController,
                                                    Controllers::HeartRateController& heartRateController,
diff --git a/src/displayapp/screens/WatchFaceCasioStyleG7710.h b/src/displayapp/screens/WatchFaceCasioStyleG7710.h
index 946f4830..50612d50 100644
--- a/src/displayapp/screens/WatchFaceCasioStyleG7710.h
+++ b/src/displayapp/screens/WatchFaceCasioStyleG7710.h
@@ -27,7 +27,7 @@ namespace Pinetime {
         WatchFaceCasioStyleG7710(DisplayApp* app,
                                  Controllers::DateTime& dateTimeController,
                                  const Controllers::Battery& batteryController,
-                                 Controllers::Ble& bleController,
+                                 const Controllers::Ble& bleController,
                                  Controllers::NotificationManager& notificatioManager,
                                  Controllers::Settings& settingsController,
                                  Controllers::HeartRateController& heartRateController,
@@ -95,7 +95,7 @@ namespace Pinetime {
 
         Controllers::DateTime& dateTimeController;
         const Controllers::Battery& batteryController;
-        Controllers::Ble& bleController;
+        const Controllers::Ble& bleController;
         Controllers::NotificationManager& notificatioManager;
         Controllers::Settings& settingsController;
         Controllers::HeartRateController& heartRateController;
diff --git a/src/displayapp/screens/WatchFaceDigital.cpp b/src/displayapp/screens/WatchFaceDigital.cpp
index 11f41d79..9ca97f7f 100644
--- a/src/displayapp/screens/WatchFaceDigital.cpp
+++ b/src/displayapp/screens/WatchFaceDigital.cpp
@@ -17,7 +17,7 @@ using namespace Pinetime::Applications::Screens;
 WatchFaceDigital::WatchFaceDigital(DisplayApp* app,
                                    Controllers::DateTime& dateTimeController,
                                    const Controllers::Battery& batteryController,
-                                   Controllers::Ble& bleController,
+                                   const Controllers::Ble& bleController,
                                    Controllers::NotificationManager& notificationManager,
                                    Controllers::Settings& settingsController,
                                    Controllers::HeartRateController& heartRateController,
diff --git a/src/displayapp/screens/WatchFaceDigital.h b/src/displayapp/screens/WatchFaceDigital.h
index 24318576..24319af9 100644
--- a/src/displayapp/screens/WatchFaceDigital.h
+++ b/src/displayapp/screens/WatchFaceDigital.h
@@ -27,7 +27,7 @@ namespace Pinetime {
         WatchFaceDigital(DisplayApp* app,
                          Controllers::DateTime& dateTimeController,
                          const Controllers::Battery& batteryController,
-                         Controllers::Ble& bleController,
+                         const Controllers::Ble& bleController,
                          Controllers::NotificationManager& notificationManager,
                          Controllers::Settings& settingsController,
                          Controllers::HeartRateController& heartRateController,
diff --git a/src/displayapp/screens/WatchFaceInfineat.cpp b/src/displayapp/screens/WatchFaceInfineat.cpp
index e6bc40e4..70275b22 100644
--- a/src/displayapp/screens/WatchFaceInfineat.cpp
+++ b/src/displayapp/screens/WatchFaceInfineat.cpp
@@ -23,7 +23,7 @@ namespace {
 WatchFaceInfineat::WatchFaceInfineat(DisplayApp* app,
                                      Controllers::DateTime& dateTimeController,
                                      const Controllers::Battery& batteryController,
-                                     Controllers::Ble& bleController,
+                                     const Controllers::Ble& bleController,
                                      Controllers::NotificationManager& notificationManager,
                                      Controllers::Settings& settingsController,
                                      Controllers::MotionController& motionController,
diff --git a/src/displayapp/screens/WatchFaceInfineat.h b/src/displayapp/screens/WatchFaceInfineat.h
index 0da286a4..7091d98b 100644
--- a/src/displayapp/screens/WatchFaceInfineat.h
+++ b/src/displayapp/screens/WatchFaceInfineat.h
@@ -24,7 +24,7 @@ namespace Pinetime {
         WatchFaceInfineat(DisplayApp* app,
                           Controllers::DateTime& dateTimeController,
                           const Controllers::Battery& batteryController,
-                          Controllers::Ble& bleController,
+                          const Controllers::Ble& bleController,
                           Controllers::NotificationManager& notificationManager,
                           Controllers::Settings& settingsController,
                           Controllers::MotionController& motionController,
@@ -102,7 +102,7 @@ namespace Pinetime {
 
         Controllers::DateTime& dateTimeController;
         const Controllers::Battery& batteryController;
-        Controllers::Ble& bleController;
+        const Controllers::Ble& bleController;
         Controllers::NotificationManager& notificationManager;
         Controllers::Settings& settingsController;
         Controllers::MotionController& motionController;
diff --git a/src/displayapp/screens/WatchFacePineTimeStyle.cpp b/src/displayapp/screens/WatchFacePineTimeStyle.cpp
index e7708256..8c7a5f04 100644
--- a/src/displayapp/screens/WatchFacePineTimeStyle.cpp
+++ b/src/displayapp/screens/WatchFacePineTimeStyle.cpp
@@ -47,7 +47,7 @@ namespace {
 WatchFacePineTimeStyle::WatchFacePineTimeStyle(DisplayApp* app,
                                                Controllers::DateTime& dateTimeController,
                                                const Controllers::Battery& batteryController,
-                                               Controllers::Ble& bleController,
+                                               const Controllers::Ble& bleController,
                                                Controllers::NotificationManager& notificationManager,
                                                Controllers::Settings& settingsController,
                                                Controllers::MotionController& motionController)
diff --git a/src/displayapp/screens/WatchFacePineTimeStyle.h b/src/displayapp/screens/WatchFacePineTimeStyle.h
index 84e4f24b..a349aa7c 100644
--- a/src/displayapp/screens/WatchFacePineTimeStyle.h
+++ b/src/displayapp/screens/WatchFacePineTimeStyle.h
@@ -27,7 +27,7 @@ namespace Pinetime {
         WatchFacePineTimeStyle(DisplayApp* app,
                                Controllers::DateTime& dateTimeController,
                                const Controllers::Battery& batteryController,
-                               Controllers::Ble& bleController,
+                               const Controllers::Ble& bleController,
                                Controllers::NotificationManager& notificationManager,
                                Controllers::Settings& settingsController,
                                Controllers::MotionController& motionController);
@@ -104,7 +104,7 @@ namespace Pinetime {
 
         Controllers::DateTime& dateTimeController;
         const Controllers::Battery& batteryController;
-        Controllers::Ble& bleController;
+        const Controllers::Ble& bleController;
         Controllers::NotificationManager& notificationManager;
         Controllers::Settings& settingsController;
         Controllers::MotionController& motionController;
diff --git a/src/displayapp/screens/WatchFaceTerminal.cpp b/src/displayapp/screens/WatchFaceTerminal.cpp
index 6aa360d5..de7e9a03 100644
--- a/src/displayapp/screens/WatchFaceTerminal.cpp
+++ b/src/displayapp/screens/WatchFaceTerminal.cpp
@@ -16,7 +16,7 @@ using namespace Pinetime::Applications::Screens;
 WatchFaceTerminal::WatchFaceTerminal(DisplayApp* app,
                                      Controllers::DateTime& dateTimeController,
                                      const Controllers::Battery& batteryController,
-                                     Controllers::Ble& bleController,
+                                     const Controllers::Ble& bleController,
                                      Controllers::NotificationManager& notificationManager,
                                      Controllers::Settings& settingsController,
                                      Controllers::HeartRateController& heartRateController,
diff --git a/src/displayapp/screens/WatchFaceTerminal.h b/src/displayapp/screens/WatchFaceTerminal.h
index 480741b5..d4593b5f 100644
--- a/src/displayapp/screens/WatchFaceTerminal.h
+++ b/src/displayapp/screens/WatchFaceTerminal.h
@@ -25,7 +25,7 @@ namespace Pinetime {
         WatchFaceTerminal(DisplayApp* app,
                           Controllers::DateTime& dateTimeController,
                           const Controllers::Battery& batteryController,
-                          Controllers::Ble& bleController,
+                          const Controllers::Ble& bleController,
                           Controllers::NotificationManager& notificationManager,
                           Controllers::Settings& settingsController,
                           Controllers::HeartRateController& heartRateController,
@@ -67,7 +67,7 @@ namespace Pinetime {
 
         Controllers::DateTime& dateTimeController;
         const Controllers::Battery& batteryController;
-        Controllers::Ble& bleController;
+        const Controllers::Ble& bleController;
         Controllers::NotificationManager& notificationManager;
         Controllers::Settings& settingsController;
         Controllers::HeartRateController& heartRateController;
diff --git a/src/displayapp/screens/settings/QuickSettings.cpp b/src/displayapp/screens/settings/QuickSettings.cpp
index 75db7878..c98b5cee 100644
--- a/src/displayapp/screens/settings/QuickSettings.cpp
+++ b/src/displayapp/screens/settings/QuickSettings.cpp
@@ -33,7 +33,7 @@ QuickSettings::QuickSettings(Pinetime::Applications::DisplayApp* app,
                              Controllers::BrightnessController& brightness,
                              Controllers::MotorController& motorController,
                              Pinetime::Controllers::Settings& settingsController,
-                             Controllers::Ble& bleController)
+                             const Controllers::Ble& bleController)
   : Screen(app),
     dateTimeController {dateTimeController},
     brightness {brightness},
diff --git a/src/displayapp/screens/settings/QuickSettings.h b/src/displayapp/screens/settings/QuickSettings.h
index 590cf47e..6f03bc22 100644
--- a/src/displayapp/screens/settings/QuickSettings.h
+++ b/src/displayapp/screens/settings/QuickSettings.h
@@ -23,7 +23,7 @@ namespace Pinetime {
                       Controllers::BrightnessController& brightness,
                       Controllers::MotorController& motorController,
                       Pinetime::Controllers::Settings& settingsController,
-                      Controllers::Ble& bleController);
+                      const Controllers::Ble& bleController);
 
         ~QuickSettings() override;
 
diff --git a/src/displayapp/widgets/StatusIcons.cpp b/src/displayapp/widgets/StatusIcons.cpp
index fd48bee6..0202cd85 100644
--- a/src/displayapp/widgets/StatusIcons.cpp
+++ b/src/displayapp/widgets/StatusIcons.cpp
@@ -3,7 +3,7 @@
 
 using namespace Pinetime::Applications::Widgets;
 
-StatusIcons::StatusIcons(const Controllers::Battery& batteryController, Controllers::Ble& bleController)
+StatusIcons::StatusIcons(const Controllers::Battery& batteryController, const Controllers::Ble& bleController)
   : batteryController {batteryController}, bleController {bleController} {
 }
 
diff --git a/src/displayapp/widgets/StatusIcons.h b/src/displayapp/widgets/StatusIcons.h
index 2d660d20..27e8b86a 100644
--- a/src/displayapp/widgets/StatusIcons.h
+++ b/src/displayapp/widgets/StatusIcons.h
@@ -12,7 +12,7 @@ namespace Pinetime {
     namespace Widgets {
       class StatusIcons {
       public:
-        StatusIcons(const Controllers::Battery& batteryController, Controllers::Ble& bleController);
+        StatusIcons(const Controllers::Battery& batteryController, const Controllers::Ble& bleController);
         void Align();
         void Create();
 
@@ -25,7 +25,7 @@ namespace Pinetime {
       private:
         Screens::BatteryIcon batteryIcon;
         const Pinetime::Controllers::Battery& batteryController;
-        Controllers::Ble& bleController;
+        const Controllers::Ble& bleController;
 
         Screens::DirtyValue<uint8_t> batteryPercentRemaining {};
         Screens::DirtyValue<bool> powerPresent {};