diff --git a/public/mirror/index.html b/public/mirror/index.html
index ef60a19..02e99cf 100644
--- a/public/mirror/index.html
+++ b/public/mirror/index.html
@@ -22,6 +22,7 @@
       refreshTimer: null,
       renderedAt: 0,
       ui: {},
+      wakeLock: null,
 
       showStatus: function (message) {
         trmnl.ui.img.style.display = "none";
@@ -40,6 +41,8 @@
         trmnl.ui.apiKeyInput.value = data.api_key || "";
         trmnl.ui.baseURLInput.value = data.base_url || "";
         trmnl.ui.displayModeSelect.value = data.display_mode || "";
+        trmnl.ui.fullscreenToggle.checked = !!data.fullscreen;
+        trmnl.ui.wakeLockToggle.checked = !!trmnl.wakeLock || !!data.wake_lock;
 
         trmnl.ui.setup.style.display = "flex";
       },
@@ -50,6 +53,8 @@
         var apiKey = trmnl.ui.apiKeyInput.value;
         var baseURL = trmnl.ui.baseURLInput.value;
         var displayMode = trmnl.ui.displayModeSelect.value;
+        var fullscreenEnabled = trmnl.ui.fullscreenToggle.checked;
+        var wakeLockEnabled = trmnl.ui.wakeLockToggle.checked;
 
         if (!apiKey) {
           return;
@@ -58,9 +63,26 @@
         trmnl.saveSettings({
           api_key: apiKey,
           base_url: baseURL,
-          display_mode: displayMode
+          display_mode: displayMode,
+          fullscreen: fullscreenEnabled,
+          wake_lock: wakeLockEnabled
         });
 
+        if (wakeLockEnabled) {
+          trmnl.acquireWakeLock().then(function () {
+            trmnl.ui.wakeLockToggle.checked = !!trmnl.wakeLock;
+          }).catch(function (err) {
+            console.warn("Wake Lock request failed:", err);
+            trmnl.ui.wakeLockToggle.checked = false;
+          });
+        } else {
+          trmnl.releaseWakeLock().then(function () {
+            trmnl.ui.wakeLockToggle.checked = false;
+          }).catch(function (err) {
+            console.warn("Wake Lock release failed:", err);
+          });
+        }
+
         trmnl.fetchDisplay();
       },
 
@@ -68,6 +90,144 @@
         trmnl.ui.setup.style.display = "none";
       },
 
+      isFullscreenSupported: function () {
+        return !!(
+          document.fullscreenEnabled ||
+          document.webkitFullscreenEnabled ||
+          document.msFullscreenEnabled
+        );
+      },
+
+      isFullscreenActive: function () {
+        return !!(
+          document.fullscreenElement ||
+          document.webkitFullscreenElement ||
+          document.msFullscreenElement
+        );
+      },
+
+      enterFullscreen: function () {
+        if (!trmnl.isFullscreenSupported()) return;
+
+        var el = document.documentElement;
+        var promise;
+
+        if (el.requestFullscreen) {
+          promise = el.requestFullscreen();
+        } else if (el.webkitRequestFullscreen) {
+          promise = el.webkitRequestFullscreen();
+        } else if (el.msRequestFullscreen) {
+          promise = el.msRequestFullscreen();
+        }
+
+        if (promise && promise.catch) {
+          promise.catch(function (err) {
+            console.warn("Enter fullscreen failed:", err);
+          });
+        }
+      },
+
+      exitFullscreen: function () {
+        if (!trmnl.isFullscreenSupported()) return;
+        if (!trmnl.isFullscreenActive()) return;
+
+        var promise;
+
+        if (document.exitFullscreen) {
+          promise = document.exitFullscreen();
+        } else if (document.webkitExitFullscreen) {
+          promise = document.webkitExitFullscreen();
+        } else if (document.msExitFullscreen) {
+          promise = document.msExitFullscreen();
+        }
+
+        if (promise && promise.catch) {
+          promise.catch(function (err) {
+            console.warn("Exit fullscreen failed:", err);
+          });
+        }
+      },
+
+      syncFullscreenToggle: function () {
+        var active = trmnl.isFullscreenActive();
+        trmnl.ui.fullscreenToggle.checked = active;
+      },
+
+      isWakeLockSupported: function () {
+        return (
+          window.isSecureContext &&
+          navigator.wakeLock &&
+          typeof navigator.wakeLock.request === "function"
+        );
+      },
+
+      acquireWakeLock: function () {
+
+        if (!trmnl.isWakeLockSupported()) {
+          return {
+            then: function () { return this; },
+            catch: function () { return this; }
+          };
+        }
+
+        if (trmnl.wakeLock) {
+          return Promise.resolve();
+        }
+
+        return navigator.wakeLock.request("screen")
+          .then(function (sentinel) {
+
+            trmnl.wakeLock = sentinel;
+
+            sentinel.addEventListener("release", function () {
+              trmnl.wakeLock = null;
+              trmnl.ui.wakeLockToggle.checked = false;
+            });
+
+            console.log("Wake Lock attivo");
+
+          })
+          .catch(function (err) {
+            console.warn("Wake Lock failed:", err);
+            trmnl.wakeLock = null;
+            trmnl.ui.wakeLockToggle.checked = false;
+          });
+      },
+
+
+      releaseWakeLock: function () {
+
+        if (!trmnl.wakeLock) {
+          return Promise.resolve();
+        }
+
+        return trmnl.wakeLock.release()
+          .then(function () {
+            trmnl.wakeLock = null;
+            console.log("Wake Lock rilasciato");
+          })
+          .catch(function (err) {
+            console.warn("Release failed:", err);
+            trmnl.wakeLock = null;
+          });
+      },
+
+
+      toggleWakeLock: function () {
+        if (!trmnl.isWakeLockSupported()) return;
+        if (trmnl.wakeLock) {
+          trmnl.releaseWakeLock().then(function () {
+            trmnl.ui.wakeLockToggle.checked = false;
+          });
+        } else {
+          trmnl.acquireWakeLock().then(function () {
+            trmnl.ui.wakeLockToggle.checked = !!trmnl.wakeLock;
+          });
+        }
+      },
+
+
+
       fetchDisplay: function (opts) {
         opts = opts || {};
         clearTimeout(trmnl.refreshTimer);
@@ -132,8 +292,12 @@
               trmnl.showStatus("Error processing response: " + e.message);
             }
           } else {
+            var msg = xhr.statusText
+            if (xhr.status == 404) {
+              msg = "Maybe wrong API key";
+            }
             trmnl.showStatus(
-              "Failed to fetch screen: " + xhr.status + " " + xhr.statusText
+              "Failed to fetch screen: " + xhr.status + " " + msg
             );
           }
         };
@@ -266,15 +430,110 @@
         trmnl.ui.apiKeyInput = document.getElementById("api_key");
         trmnl.ui.baseURLInput = document.getElementById("base_url");
         trmnl.ui.displayModeSelect = document.getElementById("display_mode");
+        trmnl.ui.fullscreenToggle = document.getElementById("fullscreenToggle");
+        trmnl.ui.wakeLockToggle = document.getElementById("wakeLockToggle");
         trmnl.ui.setup = document.getElementById("setup");
 
+        // Sync fullscreen state
+        document.addEventListener("fullscreenchange", trmnl.syncFullscreenToggle);
+        document.addEventListener("webkitfullscreenchange", trmnl.syncFullscreenToggle);
+        document.addEventListener("msfullscreenchange", trmnl.syncFullscreenToggle);
+
+        // Fullscreen toggle
+        if (!trmnl.isFullscreenSupported()) {
+          trmnl.ui.fullscreenToggle.disabled = true;
+          trmnl.ui.fullscreenToggle.parentElement.style.opacity = "0.5";
+          trmnl.ui.fullscreenToggle.parentElement.style.cursor = "not-allowed";
+        } else {
+          trmnl.ui.fullscreenToggle.addEventListener("change", function (e) {
+            e.stopPropagation();
+
+            if (e.target.checked) {
+              trmnl.enterFullscreen();
+            } else {
+              trmnl.exitFullscreen();
+            }
+          });
+        }
+
+        var wakeLockHint = document.getElementById("wakeLockHint");
+
+        // Wake Lock toggle
+        if (trmnl.isWakeLockSupported()) {
+
+          trmnl.ui.wakeLockToggle.disabled = false;
+          trmnl.ui.wakeLockToggle.parentElement.style.opacity = "1";
+          trmnl.ui.wakeLockToggle.parentElement.style.cursor = "pointer";
+
+          if (wakeLockHint) wakeLockHint.style.display = "none";
+
+          trmnl.ui.wakeLockToggle.addEventListener("change", function () {
+            trmnl.toggleWakeLock();
+          });
+
+          document.addEventListener("visibilitychange", function () {
+            if (
+              document.visibilityState === "visible" &&
+              trmnl.ui.wakeLockToggle.checked
+            ) {
+              trmnl.acquireWakeLock();
+            }
+          });
+
+        } else {
+
+          // unsupported (HTTP or old browser)
+          trmnl.ui.wakeLockToggle.disabled = true;
+          trmnl.ui.wakeLockToggle.checked = false;
+          trmnl.ui.wakeLockToggle.parentElement.style.opacity = "0.5";
+          trmnl.ui.wakeLockToggle.parentElement.style.cursor = "not-allowed";
+
+          if (!window.isSecureContext && wakeLockHint) {
+            wakeLockHint.style.display = "block";
+          }
+
+        }
+
+        // get settings from localstorage
         var settings = trmnl.getSettings();
+
+        // show setup form if missing apikey
         if (!settings || !settings.api_key) {
           trmnl.showSetupForm();
         } else {
           trmnl.fetchDisplay();
         }
-      }
+
+        // Auto fullscreen at first click/touch if option enabled
+        if (settings.fullscreen && trmnl.isFullscreenSupported()) {
+          var activateFullscreenOnce = function () {
+            trmnl.enterFullscreen();
+            document.removeEventListener("click", activateFullscreenOnce);
+            document.removeEventListener("touchstart", activateFullscreenOnce);
+          };
+          document.addEventListener("click", activateFullscreenOnce, { once: true });
+          document.addEventListener("touchstart", activateFullscreenOnce, { once: true });
+        }
+
+        // Auto Wake Lock at first click/touch if option enabled
+        if (settings.wake_lock && trmnl.isWakeLockSupported()) {
+          var acquireWakeLockOnce = function () {
+            trmnl.acquireWakeLock().then(function () {
+              trmnl.ui.wakeLockToggle.checked = !!trmnl.wakeLock;
+            }).catch(function (err) {
+              console.warn("Wake Lock request failed:", err);
+              trmnl.ui.wakeLockToggle.checked = false;
+            });
+            document.removeEventListener("click", acquireWakeLockOnce);
+            document.removeEventListener("touchstart", acquireWakeLockOnce);
+          };
+          document.addEventListener("click", acquireWakeLockOnce, { once: true });
+          document.addEventListener("touchstart", acquireWakeLockOnce, { once: true });
+        }
+
+        trmnl.syncFullscreenToggle();
+      } //init end
+
     };
 
     document.addEventListener("DOMContentLoaded", function () {
@@ -393,8 +652,7 @@
       display: block;
     }
 
-    label,
-    summary {
+    label {
       font-size: 1.25em;
       margin-bottom: 0.5em;
       cursor: pointer;
@@ -423,6 +681,10 @@
       width: 100%;
     }
 
+    .btn-secondary {
+      background-color: #777;
+    }
+
     .btn-clear {
       margin-top: 1em;
       background-color: #777;
@@ -447,8 +709,127 @@
       background-color: #ffffff;
     }
 
-    #unsupported {
-      color: red;
+    .setting-row {
+      display: flex;
+      justify-content: space-between;
+      align-items: center;
+      margin-bottom: 1em;
+      flex-wrap: nowrap;
+    }
+
+    .setting-row label,
+    .setting-row .toggle-label {
+      font-size: 1.25em;
+      margin: 0;
+      cursor: default;
+    }
+
+    .setting-row select,
+    .setting-row .switch {
+      width: auto;
+      min-width: 52px;
+      height: 28px;
+    }
+
+    .switch {
+      position: relative;
+      display: inline-block;
+      width: 52px;
+      height: 28px;
+    }
+
+    .switch input {
+      opacity: 0;
+      width: 0;
+      height: 0;
+    }
+
+    .slider {
+      position: absolute;
+      cursor: pointer;
+      inset: 0;
+      background-color: #ccc;
+      border-radius: 28px;
+      transition: background-color 0.2s ease;
+    }
+
+    .slider::before {
+      content: "";
+      position: absolute;
+      height: 22px;
+      width: 22px;
+      left: 3px;
+      top: 3px;
+      background-color: white;
+      border-radius: 50%;
+      transition: transform 0.2s ease;
+    }
+
+    .switch input:checked+.slider {
+      background-color: #f54900;
+    }
+
+    .switch input:checked+.slider::before {
+      transform: translateX(24px);
+    }
+
+    .switch input:disabled+.slider {
+      background-color: #ccc;
+      cursor: not-allowed;
+    }
+
+    .switch input:disabled+.slider::before {
+      background-color: #eee;
+    }
+
+    .form-select-small {
+      width: 6em;
+      font-size: 1em;
+      padding: 0.4em 0.5em;
+      border: 1px solid #ccc;
+      border-radius: 0.5em;
+      background-color: #ffffff;
+    }
+
+    .toggle-label {
+      font-size: 1.25em;
+      margin: 0;
+      cursor: default;
+      pointer-events: auto;
+    }
+
+    .setting-hint {
+      font-size: 0.75em;
+      color: #f41414;
+      margin-top: 0.2em;
+      margin-left: 0.5em;
+    }
+
+    /* Fallback for iOS 9 */
+    @media screen and (max-width: 1024px) and (-webkit-min-device-pixel-ratio: 1) {
+      .setting-row {
+        display: block;
+        overflow: hidden;
+      }
+
+      .setting-row label,
+      .setting-row .toggle-label {
+        float: left;
+        line-height: 28px;
+        margin-right: 0.5em;
+      }
+
+      .setting-row select,
+      .setting-row .switch {
+        float: right;
+        width: auto;
+        min-width: 52px;
+        height: 28px;
+      }
+
+      .setting-hint {
+        display: none !important;
+      }
     }
   </style>
 </head>
@@ -459,18 +840,6 @@
       <img src="/mirror/assets/logo--brand.svg" alt="TRMNL Logo" />
 
       <form onsubmit="return trmnl.saveSetup(event)">
-        <fieldset>
-          <label for="api_key">Device API Key</label>
-          <input name="api_key" id="api_key" type="text" placeholder="API Key" class="form-control" required />
-        </fieldset>
-
-        <fieldset>
-          <select id="display_mode" name="display_mode">
-            <option value="" selected="selected">Light Mode</option>
-            <option value="dark">Dark Mode</option>
-            <option value="night">Night Mode</option>
-          </select>
-        </fieldset>
 
         <fieldset>
           <label for="base_url">Custom Server URL</label>
@@ -478,11 +847,43 @@
             class="form-control" value="" />
         </fieldset>
 
-        <button class="btn">Save</button>
+        <fieldset>
+          <label for="api_key">Device API Key</label>
+          <input name="api_key" id="api_key" type="text" placeholder="API Key" class="form-control" required />
+        </fieldset>
 
-        <button class="btn btn-clear" type="button" onclick="trmnl.clearSettings()">
-          Clear settings
-        </button>
+        <fieldset class="setting-row">
+          <label for="display_mode">Display Mode</label>
+          <select id="display_mode" name="display_mode" class="form-select-small">
+            <option value="" selected>Light</option>
+            <option value="dark">Dark</option>
+            <option value="night">Night</option>
+          </select>
+        </fieldset>
+
+        <fieldset class="setting-row">
+          <span class="toggle-label">Fullscreen</span>
+          <label class="switch">
+            <input type="checkbox" id="fullscreenToggle">
+            <span class="slider"></span>
+          </label>
+        </fieldset>
+
+        <fieldset class="setting-row">
+          <div>
+            <span class="toggle-label">Screen Wake Lock</span>
+            <div id="wakeLockHint" class="setting-hint" style="display:none;">
+              Require HTTPS
+            </div>
+          </div>
+          <label class="switch">
+            <input type="checkbox" id="wakeLockToggle">
+            <span class="slider"></span>
+          </label>
+        </fieldset>
+
+        <button class="btn">Save</button>
+        <button class="btn btn-clear" type="button" onclick="trmnl.clearSettings()">Clear settings</button>
 
       </form>
     </div>
@@ -496,10 +897,11 @@
       <div id="error-message"></div>
       <div style="display: flex; margin-top: 1em">
         <button class="btn" onclick="trmnl.showSetupForm()">Setup</button>
-        <button class="btn" onclick="trmnl.fetchDisplay()">Retry</button>
+        <button class="btn btn-secondary" onclick="trmnl.fetchDisplay()">Retry</button>
       </div>
     </div>
   </div>
+
 </body>
 
 </html>
\ No newline at end of file