diff --git a/Source/MemTesterNX/source/main.c b/Source/MemTesterNX/source/main.c
index 035adcc8..0f8ef610 100644
--- a/Source/MemTesterNX/source/main.c
+++ b/Source/MemTesterNX/source/main.c
@@ -124,7 +124,7 @@ int testJobId[4] = {0};
 int testWorkerReport[4] = {0};
 size_t bufsize[4], wantbytes[4];
 void volatile *aligned[4];
-Thread threads[4];
+Thread threads[5];
 struct test* test_select = tests;
 
 void testWorker(int div)
@@ -158,7 +158,8 @@ void testWorker(int div)
             while (testJobId[div] != currentJobId)
                 svcSleepThread(10000000ULL);
 
-            if (!test_select[currentJobId].fp(aligned[div], ((size_t)aligned[div] + bufsize[div]/2), bufsize[div]/sizeof(ul)/2))
+            int test_rc = test_select[currentJobId].fp(aligned[div], ((size_t)aligned[div] + bufsize[div]/2), bufsize[div]/sizeof(ul)/2);
+            if (!test_rc)
             {
                 testWorkerReport[div] = 1;
                 currentJobId++;
@@ -184,6 +185,35 @@ void* workers[] = {
     testWorker3,
 };
 
+void LblUpdate()
+{
+    smInitialize();
+    lblInitialize();
+    LblBacklightSwitchStatus lblstatus = LblBacklightSwitchStatus_Disabled;
+    lblGetBacklightSwitchStatus(&lblstatus);
+    if (lblstatus) {
+        lblSwitchBacklightOff(0);
+    } else {
+        lblSwitchBacklightOn(0);
+    }
+    lblExit();
+    smExit();
+}
+
+void keyListener()
+{
+    while (true)
+    {
+        padUpdate(&pad);
+        u64 kDown = padGetButtonsDown(&pad);
+        if (kDown & HidNpadButton_Minus)
+        {
+            LblUpdate();
+        }
+        svcSleepThread(10000000ULL);
+    }
+}
+
 // Main program entrypoint
 int main(int argc, char* argv[])
 {
@@ -314,6 +344,18 @@ int main(int argc, char* argv[])
         }
     }
 
+    // keyListener
+    {
+        const int kl = testThreads;
+        Result rc = threadCreate(&threads[kl], keyListener, NULL, NULL, 0x1000, 0x20, -2);
+        if (R_FAILED(rc))
+        {
+            printf("Fatal: threadCreate[%d] failed: 0x%X\n", div, rc);
+            consoleUpdate(NULL);
+        }
+        threadStart(&threads[kl]);
+    }
+
     printf("\nTotal RAM available: %lldMB\n\n", totalmem >> memshift);
     consoleUpdate(NULL);
 
diff --git a/Source/sys-clk-OC/overlay/src/ui/gui/misc_gui.cpp b/Source/sys-clk-OC/overlay/src/ui/gui/misc_gui.cpp
index c1296ec6..277f1dea 100644
--- a/Source/sys-clk-OC/overlay/src/ui/gui/misc_gui.cpp
+++ b/Source/sys-clk-OC/overlay/src/ui/gui/misc_gui.cpp
@@ -26,13 +26,6 @@ MiscGui::~MiscGui()
     delete this->i2cInfo;
 }
 
-void MiscGui::preDraw(tsl::gfx::Renderer* render)
-{
-    BaseMenuGui::preDraw(render);
-
-    render->drawString(this->infoOutput, false, 40, 440, SMALL_TEXT_SIZE, DESC_COLOR);
-}
-
 tsl::elm::ToggleListItem* MiscGui::addConfigToggle(SysClkConfigValue configVal, std::string labelName) {
     tsl::elm::ToggleListItem* toggle = new tsl::elm::ToggleListItem(labelName, this->configList->values[configVal]);
     toggle->setStateChangedListener([this, configVal](bool state) {
@@ -88,6 +81,17 @@ void MiscGui::listUI()
         }
     });
     this->listElement->addItem(this->fastChargingToggle);
+
+    // Backlight
+    this->backlightToggle = new tsl::elm::ToggleListItem("Screen Backlight", false);
+    backlightToggle->setStateChangedListener([this](bool state) {
+        LblUpdate(true);
+    });
+    this->listElement->addItem(this->backlightToggle);
+
+    this->listElement->addItem(new tsl::elm::CustomDrawer([this](tsl::gfx::Renderer *renderer, s32 x, s32 y, s32 w, s32 h) {
+        renderer->drawString(this->infoOutput, false, x, y, SMALL_TEXT_SIZE, DESC_COLOR);
+    }), SMALL_TEXT_SIZE * 13);
 }
 
 void MiscGui::refresh() {
@@ -103,6 +107,8 @@ void MiscGui::refresh() {
     {
         frameCounter = 0;
         PsmUpdate();
+        LblUpdate();
+        this->backlightToggle->setState(lblstatus);
         I2cGetInfo(this->i2cInfo);
         PrintInfo(this->infoOutput, sizeof(this->infoOutput));
         this->chargingToggle->setState(this->PsmIsCharging());
diff --git a/Source/sys-clk-OC/overlay/src/ui/gui/misc_gui.h b/Source/sys-clk-OC/overlay/src/ui/gui/misc_gui.h
index 81a69c65..eaa710d9 100644
--- a/Source/sys-clk-OC/overlay/src/ui/gui/misc_gui.h
+++ b/Source/sys-clk-OC/overlay/src/ui/gui/misc_gui.h
@@ -18,7 +18,6 @@ class MiscGui : public BaseMenuGui
     public:
         MiscGui();
         ~MiscGui();
-        void preDraw(tsl::gfx::Renderer* render) override;
         void listUI() override;
         void refresh() override;
 
@@ -307,14 +306,32 @@ class MiscGui : public BaseMenuGui
             return PsmIsFastCharging() == enable;
         }
 
+        void LblUpdate(bool shouldSwitch = false)
+        {
+            smInitialize();
+            lblInitialize();
+            lblGetBacklightSwitchStatus(&lblstatus);
+            if (shouldSwitch)
+            {
+                if (lblstatus) {
+                    lblSwitchBacklightOff(0);
+                } else {
+                    lblSwitchBacklightOn(0);
+                }
+            }
+            lblExit();
+            smExit();
+        }
+
         tsl::elm::ToggleListItem* addConfigToggle(SysClkConfigValue, std::string);
         void updateConfigToggle(tsl::elm::ToggleListItem*, SysClkConfigValue);
 
-        tsl::elm::ToggleListItem *cpuBoostToggle, *syncModeToggle, *chargingToggle, *fastChargingToggle;
+        tsl::elm::ToggleListItem *cpuBoostToggle, *syncModeToggle, *chargingToggle, *fastChargingToggle, *backlightToggle;
 
         SysClkConfigValueList* configList;
         ChargeInfo* chargeInfo;
         I2cInfo*    i2cInfo;
+        LblBacklightSwitchStatus lblstatus = LblBacklightSwitchStatus_Disabled;
         bool isEnoughPowerSupplied = false;
         char infoOutput[800] = "";
         int frameCounter = 60;