diff --git a/Ota.cpp b/Ota.cpp
index cb3a925..7948266 100644
--- a/Ota.cpp
+++ b/Ota.cpp
@@ -3,7 +3,7 @@
 
 #define FULL_PACKET 1436 // HTTP_UPLOAD_BUFLEN in WebServer,h
 
-void Ota::updateFirmware(uint8_t buf, size_t size)
+void Ota::updateFirmware(uint8_t* buf, size_t size)
 {
     if (!_updateFlag)
     { //If it's the first packet of OTA since bootup, begin OTA
@@ -11,7 +11,7 @@ void Ota::updateFirmware(uint8_t buf, size_t size)
         esp_ota_begin(esp_ota_get_next_update_partition(NULL), OTA_SIZE_UNKNOWN, &otaHandler);
         _updateFlag = true;
     }
-    esp_ota_write(otaHandler, (const void*)buf, size);
+    esp_ota_write(otaHandler, buf, size);
     if (size != FULL_PACKET)
     {
         esp_ota_end(otaHandler);
diff --git a/Ota.h b/Ota.h
index 4b3a38f..967c1d5 100644
--- a/Ota.h
+++ b/Ota.h
@@ -7,7 +7,7 @@
 class Ota
 {
 public:
-    void updateFirmware(uint8_t buf, size_t size);
+    void updateFirmware(uint8_t* buf, size_t size);
 
 private:
     bool _updateFlag = false;
diff --git a/WebCfgServer.cpp b/WebCfgServer.cpp
index 1a9a235..9cbb08e 100644
--- a/WebCfgServer.cpp
+++ b/WebCfgServer.cpp
@@ -125,7 +125,8 @@ void WebCfgServer::initialize()
             return _server.requestAuthentication();
         }
 
-        String response = "ok";
+        String response = "";
+        buildConfirmHtml(response, "Initiating Over-the-air Update. This will take a moment, please be patient.", 35);
 
         _server.send(200, "text/html", response);
     }, [&]() {
@@ -463,7 +464,7 @@ void WebCfgServer::buildOtaHtml(String &response)
 void WebCfgServer::buildMqttConfigHtml(String &response)
 {
     response.concat("<FORM ACTION=method=get >");
-    response.concat("<h3>MQTT COnfiguration</h3>");
+    response.concat("<h3>MQTT Configuration</h3>");
     response.concat("<table>");
     printInputField(response, "HOSTNAME", "Host name", _preferences->getString(preference_hostname).c_str(), 100);
     printInputField(response, "MQTTSERVER", "MQTT Broker", _preferences->getString(preference_mqtt_broker).c_str(), 100);
@@ -655,6 +656,9 @@ void WebCfgServer::handleOtaUpload()
     if (_server.uri() != "/uploadota") {
         return;
     }
+
+    esp_task_wdt_init(30, false);
+
     HTTPUpload& upload = _server.upload();
     if (upload.status == UPLOAD_FILE_START) {
         String filename = upload.filename;
@@ -663,8 +667,9 @@ void WebCfgServer::handleOtaUpload()
         }
         Serial.print("handleFileUpload Name: "); Serial.println(filename);
     } else if (upload.status == UPLOAD_FILE_WRITE) {
-        Serial.println(upload.currentSize);
-        _ota.updateFirmware(*upload.buf, upload.currentSize);
+        _transferredSize = _transferredSize + upload.currentSize;
+        Serial.println(_transferredSize);
+        _ota.updateFirmware(upload.buf, upload.currentSize);
     } else if (upload.status == UPLOAD_FILE_END) {
         Serial.println();
         Serial.print("handleFileUpload Size: "); Serial.println(upload.totalSize);
diff --git a/WebCfgServer.h b/WebCfgServer.h
index 4bba569..c55f0e8 100644
--- a/WebCfgServer.h
+++ b/WebCfgServer.h
@@ -61,6 +61,7 @@ private:
     char _credUser[20] = {0};
     char _credPassword[20] = {0};
     bool _allowRestartToPortal = false;
+    uint32_t _transferredSize = 0;
 
     String _confirmCode = "----";
 
diff --git a/main.cpp b/main.cpp
index d346620..94d1cfd 100644
--- a/main.cpp
+++ b/main.cpp
@@ -89,7 +89,7 @@ void setupTasks()
 {
     // configMAX_PRIORITIES is 25
 
-    xTaskCreate(networkTask, "ntw", 8192, NULL, 3, NULL);
+    xTaskCreatePinnedToCore(networkTask, "ntw", 8192, NULL, 3, NULL, 1);
     xTaskCreate(nukiTask, "nuki", 4096, NULL, 2, NULL);
     xTaskCreate(presenceDetectionTask, "prdet", 768, NULL, 5, NULL);
     xTaskCreate(checkMillisTask, "mlchk", 512, NULL, 1, NULL);