wled
diff --git a/‎wled00/data/update.htm‎
Lines changed: 18 additions & 2 deletions b/‎wled00/data/update.htm‎
Lines changed: 18 additions & 2 deletions
diff --git a/‎wled00/json.cpp‎
Lines changed: 3 additions & 0 deletions b/‎wled00/json.cpp‎
Lines changed: 3 additions & 0 deletions
@@ -29,6 +29,13 @@
 					if (data.arch == "esp8266") {
 						toggle('rev');
 					}
+					const isESP32 = data.arch && (data.arch.toLowerCase() === 'esp32' || data.arch.toLowerCase() === 'esp32-s2');
+					if (isESP32) {
+						gId('bootloader-section').style.display = 'block';
+						if (data.bootloaderSHA256) {
+							gId('bootloader-hash').innerText = 'Current bootloader SHA256: ' + data.bootloaderSHA256;
+						}
+					}
 				})
 				.catch(error => {
 					console.log('Could not fetch device info:', error);
@@ -42,8 +49,7 @@
 		@import url("style.css");
 	</style>
 </head>
-
-<body onload="GetV()">
+<body onload="GetV();">
 	<h2>WLED Software Update</h2>
 	<form method='POST' action='./update' id='upd' enctype='multipart/form-data' onsubmit="toggle('upd')">
 		Installed version: <span class="sip installed-version">Loading...</span><br>
@@ -60,6 +66,16 @@ <h2>WLED Software Update</h2>
 		<button id="rev" type="button" onclick="cR()">Revert update</button><br>
 		<button type="button" onclick="B()">Back</button>
 	</form>
+	<div id="bootloader-section" style="display:none;">
+		<hr class="sml">
+		<h2>ESP32 Bootloader Update</h2>
+		<div id="bootloader-hash" class="sip" style="margin-bottom:8px;"></div>
+		<form method='POST' action='./updatebootloader' id='bootupd' enctype='multipart/form-data' onsubmit="toggle('bootupd')">
+			<b>Warning:</b> Only upload verified ESP32 bootloader files!<br>
+			<input type='file' name='update' required><br>
+			<button type="submit">Update Bootloader</button>
+		</form>
+	</div>
 	<div id="Noupd" class="hide"><b>Updating...</b><br>Please do not close or refresh the page :)</div>
 </body>
 </html>
@@ -820,6 +820,9 @@ void serializeInfo(JsonObject root)
   root[F("resetReason1")] = (int)rtc_get_reset_reason(1);
   #endif
   root[F("lwip")] = 0; //deprecated
+  #ifndef WLED_DISABLE_OTA
+  root[F("bootloaderSHA256")] = getBootloaderSHA256Hex();
+  #endif
 #else
   root[F("arch")] = "esp8266";
   root[F("core")] = ESP.getCoreVersion();