diff --git a/app/os/main.cpp b/app/os/main.cpp
index 6620c00ffa..47ae730c5e 100644
--- a/app/os/main.cpp
+++ b/app/os/main.cpp
@@ -36,7 +36,7 @@ auto coreflashmanager = CoreFlashManagerIS25LP016D(coreqspi);
 auto coreflash		  = CoreFlashIS25LP016D(coreqspi, coreflashmanager);
 auto firmwarekit	  = FirmwareKit(coreflash);
 
-auto rc = RobotController {sleep_timeout, battery};
+auto rc = RobotController {sleep_timeout, battery, firmwarekit};
 
 void initializeSD()
 {
@@ -87,7 +87,7 @@ auto main() -> int
 	initializeUpdateFlash();
 
 	rc.initializeComponents();
-	// rc.registerOnUpdateLoadedCallback(setPendingUpdate);
+	rc.registerOnUpdateLoadedCallback(setPendingUpdate);
 	rc.registerEvents();
 
 	while (true) {
diff --git a/libs/RobotKit/include/RobotController.h b/libs/RobotKit/include/RobotController.h
index 1198319bb6..36265595e1 100644
--- a/libs/RobotKit/include/RobotController.h
+++ b/libs/RobotKit/include/RobotController.h
@@ -12,6 +12,7 @@
 #include "StateMachine.h"
 #include "interface/RobotController.h"
 #include "interface/drivers/Battery.h"
+#include "interface/drivers/FirmwareUpdate.h"
 #include "interface/drivers/Timeout.h"
 
 namespace leka {
@@ -22,8 +23,9 @@ class RobotController : public interface::RobotController
   public:
 	sm_t state_machine {static_cast<interface::RobotController &>(*this)};
 
-	explicit RobotController(interface::Timeout &sleep_timeout, interface::Battery &battery)
-		: _sleep_timeout(sleep_timeout), _battery(battery) {};
+	explicit RobotController(interface::Timeout &sleep_timeout, interface::Battery &battery,
+							 interface::FirmwareUpdate &firmware_update)
+		: _sleep_timeout(sleep_timeout), _battery(battery), _firmware_update(firmware_update) {};
 
 	void runLaunchingBehavior() final
 	{
@@ -69,7 +71,10 @@ class RobotController : public interface::RobotController
 
 	void applyUpdate() final
 	{
-		// TODO (@yann): Run FirmwareKit load update
+		auto firmware_version = FirmwareVersion {.major = 1, .minor = 2, .revision = 3};
+		if (_firmware_update.loadUpdate(firmware_version) && _on_update_loaded_callback != nullptr) {
+			_on_update_loaded_callback();
+		}
 	}
 
 	void raise(auto event) { state_machine.process_event(event); };
@@ -80,6 +85,11 @@ class RobotController : public interface::RobotController
 		_ble.init();
 	}
 
+	void registerOnUpdateLoadedCallback(std::function<void()> const &on_update_loaded_callback)
+	{
+		_on_update_loaded_callback = on_update_loaded_callback;
+	}
+
 	void registerEvents()
 	{
 		using namespace system::robot::sm;
@@ -112,6 +122,9 @@ class RobotController : public interface::RobotController
 	BatteryKit _battery_kit {_battery};
 	uint8_t _minimal_battery_level_to_update {25};
 
+	interface::FirmwareUpdate &_firmware_update;
+	std::function<void()> _on_update_loaded_callback {};
+
 	BLEKit _ble {};
 	inline static BLEServiceDeviceInformation _service_device_information {};
 	inline static BLEServiceBattery _service_battery {};
diff --git a/libs/RobotKit/tests/RobotController_test.cpp b/libs/RobotKit/tests/RobotController_test.cpp
index 6e2653480d..78c5e01de4 100644
--- a/libs/RobotKit/tests/RobotController_test.cpp
+++ b/libs/RobotKit/tests/RobotController_test.cpp
@@ -9,6 +9,7 @@
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 #include "mocks/leka/Battery.h"
+#include "mocks/leka/FirmwareUpdate.h"
 #include "mocks/leka/Timeout.h"
 
 using namespace leka;
@@ -19,6 +20,7 @@ namespace event = system::robot::sm::event;
 
 using testing::_;
 using testing::AnyNumber;
+using ::testing::MockFunction;
 using testing::Return;
 
 ACTION_TEMPLATE(GetCallback, HAS_1_TEMPLATE_PARAMS(typename, callback_t), AND_1_VALUE_PARAMS(pointer))
@@ -62,8 +64,9 @@ class RobotControllerTest : public testing::Test
 
 	mock::Timeout sleep_timeout {};
 	mock::Battery battery {};
+	mock::FirmwareUpdate firmware_update {};
 
-	RobotController<bsml::sm<robot::StateMachine, bsml::testing>> rc {sleep_timeout, battery};
+	RobotController<bsml::sm<robot::StateMachine, bsml::testing>> rc {sleep_timeout, battery, firmware_update};
 
 	interface::Timeout::callback_t on_sleep_timeout = {};
 
@@ -196,6 +199,7 @@ TEST_F(RobotControllerTest, stateChargingEventUpdateRequestedGuardIsReadyToUpdat
 
 	// TODO (@yann): Trigger update_requested in StateMachine from BLE and remove isReadyToUpdate call
 	EXPECT_CALL(battery, isCharging).WillOnce(Return(false));
+	EXPECT_CALL(firmware_update, loadUpdate).Times(0);
 	rc.isReadyToUpdate();
 
 	EXPECT_TRUE(rc.state_machine.is(lksm::state::charging));
@@ -210,22 +214,68 @@ TEST_F(RobotControllerTest, stateChargingEventUpdateRequestedGuardIsReadyToUpdat
 	// TODO (@yann): Trigger update_requested in StateMachine from BLE and remove isReadyToUpdate call
 	EXPECT_CALL(battery, isCharging).WillOnce(Return(true));
 	EXPECT_CALL(battery, level).WillOnce(Return(returned_level));
+	EXPECT_CALL(firmware_update, loadUpdate).Times(0);
 	rc.isReadyToUpdate();
 
 	EXPECT_TRUE(rc.state_machine.is(lksm::state::charging));
 }
 
-TEST_F(RobotControllerTest, stateChargingEventUpdateRequestedGuardIsReadyToUpdateTrue)
+TEST_F(RobotControllerTest, stateChargingEventUpdateRequestedGuardIsReadyToUpdateTrueLoadUpdateSuccess)
 {
 	rc.state_machine.set_current_states(lksm::state::charging);
 
 	uint8_t returned_level {100};
 
+	MockFunction<void()> mock_on_update_loaded_callback;
+	rc.registerOnUpdateLoadedCallback(mock_on_update_loaded_callback.AsStdFunction());
+
+	// TODO (@yann): Trigger update_requested in StateMachine from BLE and remove isReadyToUpdate and applyUpdate calls
+
+	EXPECT_CALL(battery, isCharging).WillOnce(Return(true));
+	EXPECT_CALL(battery, level).WillOnce(Return(returned_level));
+	EXPECT_CALL(firmware_update, loadUpdate).WillOnce(Return(true));
+	EXPECT_CALL(mock_on_update_loaded_callback, Call).Times(1);
+	rc.isReadyToUpdate();
+	rc.applyUpdate();
+
+	// EXPECT_TRUE(rc.state_machine.is(lksm::state::updating));
+}
+
+TEST_F(RobotControllerTest,
+	   stateChargingEventUpdateRequestedGuardIsReadyToUpdateTrueLoadUpdateSuccessOnUpdateLoadedCallbackFail)
+{
+	rc.state_machine.set_current_states(lksm::state::charging);
+
+	uint8_t returned_level {100};
+
+	rc.registerOnUpdateLoadedCallback(nullptr);
+
+	// TODO (@yann): Trigger update_requested in StateMachine from BLE and remove isReadyToUpdate and applyUpdate calls
+
+	EXPECT_CALL(battery, isCharging).WillOnce(Return(true));
+	EXPECT_CALL(battery, level).WillOnce(Return(returned_level));
+	EXPECT_CALL(firmware_update, loadUpdate).WillOnce(Return(true));
+	rc.isReadyToUpdate();
+	rc.applyUpdate();
+
+	// EXPECT_TRUE(rc.state_machine.is(lksm::state::updating));
+}
+
+TEST_F(RobotControllerTest, stateChargingEventUpdateRequestedGuardIsReadyToUpdateTrueLoadUpdateFail)
+{
+	rc.state_machine.set_current_states(lksm::state::charging);
+
+	uint8_t returned_level {100};
+
+	MockFunction<void()> mock_on_update_loaded_callback;
+	rc.registerOnUpdateLoadedCallback(mock_on_update_loaded_callback.AsStdFunction());
+
 	// TODO (@yann): Trigger update_requested in StateMachine from BLE and remove isReadyToUpdate and applyUpdate calls
-	// TODO (@yann): EXPECT_CALL from FirmwareKit applyUpdate action
 
 	EXPECT_CALL(battery, isCharging).WillOnce(Return(true));
 	EXPECT_CALL(battery, level).WillOnce(Return(returned_level));
+	EXPECT_CALL(firmware_update, loadUpdate).WillOnce(Return(false));
+	EXPECT_CALL(mock_on_update_loaded_callback, Call).Times(0);
 	rc.isReadyToUpdate();
 	rc.applyUpdate();