diff --git a/sd-card/html/ota_page_old.html b/sd-card/html/ota_page_old.html
deleted file mode 100644
index 1b97175c..00000000
--- a/sd-card/html/ota_page_old.html
+++ /dev/null
@@ -1,445 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-<link rel="icon" href="favicon.ico" type="image/x-icon">
-<title>OTA Update</title>
-<meta charset="utf-8">
-
-<style>
-h1 {font-size: 2em;}
-h2 {font-size: 1.5em;}
-h3 {font-size: 1.2em;} 
-p {font-size: 1em;}
-
-input[type=number] {
-	width: 138px;
-	padding: 10px 5px;
-	display: inline-block;
-	border: 1px solid #ccc;
-	font-size: 16px; 
-}
-
-.button {
-	padding: 10px 20px;
-    width: 211px;
-	font-size: 16px;
-}
-</style>
-
-</head>
-
-<body style="font-family: arial; padding: 0px 10px;">
-Check at <a href="https://github.com/jomjol/AI-on-the-edge-device/releases" target=_blank>https://github.com/jomjol/AI-on-the-edge-device/releases</a> to see if there is an update available.
-<h3>It is strongly recommended to update firmware and web interface (stored separately in the html directory on SD-card) at the same time!</h3>
-<hr>
-<h2>1. Firmware Update</h2>
-<table class="fixed" border="0">
-    <tr>
-        <td>
-            <table border="0">
-                <tr>
-                    <td style="width: 230px">
-                        <label for="newfile">Select the firmware file (firmware.bin):</label>
-                    </td>
-                    <td colspan="2">
-                        <input id="newfile" type="file" onchange="setpath()" style="width:100%;">
-                    </td>
-                    <td rowspan="2" style="padding-left:50px">
-                        <button class="button" id="doUpdate" type="button" onclick="doUpdate()">Flash the firmware<br>(Takes about 60s)</button>
-                    </td>
-                </tr>
-                <tr>
-                    <td>
-                        <label for="filepath">Set path on server:</label>
-                    </td>
-                    <td>
-                        <input id="filepath" type="text" style="width:100%; border: 0" readonly>
-                    </td>
-                    <td>
-                        <button id="upload" type="button" onclick="upload()">Upload</button>
-                    </td>
-                </tr>
-            </table>
-        </td>
-    </tr>
-</table>
-<h2>2. Web Interface Update</h2>
-<table class="fixed" border="0">
-    <tr>
-        <td>
-            <table border="0">
-                <tr>
-                    <td style="width: 230px">
-                        <label for="newfilehtml">Select the Web Interface file (html.zip):</label>
-                    </td>
-                    <td colspan="2">
-                        <input id="newfilehtml" type="file" onchange="setpathhtml()" style="width:100%;">
-                    </td>
-                    <td rowspan="2" style="padding-left:50px">
-			<button class="button" id="doUpdatehtml" type="button" onclick="doUpdatehtml()">Update Web Interface</button>
-                    </td>
-                </tr>
-                <tr>
-                    <td>
-                        <label for="filepathhtml">Set path on server:</label>
-                    </td>
-                    <td>
-                        <input id="filepathhtml" type="text" style="width:100%; border: 0" readonly>
-                    </td>
-                    <td>
-                        <button id="uploadhtml" type="button" onclick="uploadhtml()">Upload</button>
-                    </td>
-                </tr>
-            </table>
-        </td>
-    </tr>
-</table>
-<h2>3. Reboot</h2>
-			<button class="button" id="reboot" type="button" onclick="doReboot()">Reboot to activate updates</button>
-<hr>
-<h2>Upload Neural Network Definition (tfl/tflite file)</h2>
-<b>The file must be set active afterwards on the <a href="index_configure.html" target="_parent">Config</a> page</b>!
-<table class="fixed" border="0">
-    <tr>
-        <td>
-            <table border="0">
-                <tr>
-                    <td>
-                        <label for="newfiletfl">Select the tfl/tflite file</label>
-                    </td>
-                    <td colspan="2">
-                        <input id="newfiletfl" type="file" onchange="setpathtfl()" style="width:100%;">
-                    </td>
-                </tr>
-                <tr>
-                    <td>
-                        <label for="filepathtfl">Set path on server</label>
-                    </td>
-                    <td>
-                        <input id="filepathtfl" type="text" style="width:100%; border: 0" readonly>
-                    </td>
-                    <td>
-                        <button id="uploadtfl" type="button" onclick="uploadtfl()" disabled>Upload</button>
-                    </td>
-                </tr>
-            </table>
-        </td>
-    </tr>
-</table>
-
-
-<script type="text/javascript" src="./gethost.js"></script> 
-
-
-<script language="JavaScript">
-
-function init(){
-    document.getElementById("reboot").disabled = true;
-    document.getElementById("upload").disabled = true;
-    document.getElementById("uploadhtml").disabled = true;    
-    document.getElementById("doUpdate").disabled = true;
-    document.getElementById("doUpdatehtml").disabled = true;
-    document.getElementById("uploadtfl").disabled = true;
-}
-
-function doUpdate() {
-	if (confirm("Are you sure to update the firmware?")) {
-		var stringota = "/ota?file=firmware.bin";
-        document.getElementById("doUpdate").disabled = true;
-        
-        var xhttp = new XMLHttpRequest();
-	
-        xhttp.onreadystatechange = function() {
-            if (xhttp.readyState == 4) {
-                if (xhttp.status == 200) {
-                    document.getElementById("reboot").disabled = false;
-                    alert("Flash successfull - Reboot necessary to make changes active.");
-                    /* keine Reaktion, damit sich das Dokument nicht ändert */
-                } else if (xhttp.status == 0) {
-                    alert("Server closed the connection abruptly!");
-                    UpdatePage();
-                } else {
-                    alert(xhttp.status + " Error!\n" + xhttp.responseText);
-                    UpdatePage();
-                }
-            }
-        };
-        xhttp.open("GET", stringota, true);
-        xhttp.send();        
-	}
-}
-
-function doUpdatehtml() {
-	if (confirm("Are you sure to update the /html content?")) {
-		var stringota = "/ota?task=unziphtml";
-        document.getElementById("doUpdatehtml").disabled = true;
-
-        
-        var xhttp = new XMLHttpRequest();
-	
-        xhttp.onreadystatechange = function() {
-            if (xhttp.readyState == 4) {
-                if (xhttp.status == 200) {
-                    document.getElementById("reboot").disabled = false;
-                    alert("Update /html successful!");
-                    /* keine Reaktion, damit sich das Dokument nicht ändert */
-                } else if (xhttp.status == 0) {
-                    alert("Server closed the connection abruptly!");
-                    UpdatePage();
-                } else {
-                    alert(xhttp.status + " Error!\n" + xhttp.responseText);
-                    UpdatePage();
-                }
-            }
-        };
-        xhttp.open("GET", stringota, true);
-        xhttp.send();
-	}
-}
-
-function doReboot() {
-	if (confirm("Are you sure you want to reboot the ESP32?")) {
-		var stringota = "/reboot";
-		window.location = stringota;
-		window.location.href = stringota;
-		window.location.assign(stringota);
-		window.location.replace(stringota);
-	}
-}
-
-function setpath() {
-    var fileserverpraefix = "/firmware/firmware.bin";
-    document.getElementById("filepath").value = fileserverpraefix;
-    document.getElementById("upload").disabled = false;
-}
-
-function setpathhtml() {
-    var fileserverpraefix = "/firmware/html.zip";
-    document.getElementById("filepathhtml").value = fileserverpraefix;
-    document.getElementById("uploadhtml").disabled = false;
-}
-
-
-function setpathtfl() {
-    var nameneu = document.getElementById("newfiletfl").value;
-    nameneu = nameneu.split(/[\\\/]/).pop();
-    var fileserverpraefix = "/config/" + nameneu;
-    document.getElementById("filepathtfl").value = fileserverpraefix;
-    document.getElementById("uploadtfl").disabled = false;
-}
-
-
-
-
-function upload() {
-	var xhttp = new XMLHttpRequest();
-	
-	/* first delete the old firmware */	
-	xhttp.onreadystatechange = function() {
-		if (xhttp.readyState == 4) {
-			if (xhttp.status == 200) {
-				/* keine Reaktion, damit sich das Dokument nicht ändert */
-			} else if (xhttp.status == 0) {
-				alert("Server closed the connection abruptly!");
-				UpdatePage();
-			} else {
-				alert(xhttp.status + " Error!\n" + xhttp.responseText);
-				UpdatePage();
-			}
-		}
-	};
-	xhttp.open("GET", "/ota?delete=firmware.bin", false);
-	xhttp.send();
-	/* ----------------------------- */
-	
-    var filePath = document.getElementById("filepath").value;
-    var upload_path = "/upload/" + filePath;
-    var fileInput = document.getElementById("newfile").files;
-
-    /* Max size of an individual file. Make sure this
-     * value is same as that set in file_server.c */
-    var MAX_FILE_SIZE = 2000*1024;
-    var MAX_FILE_SIZE_STR = "2000KB";
-
-    if (fileInput.length == 0) {
-        alert("No file selected!");
-    } else if (filePath.length == 0) {
-        alert("File path on server is not set!");
-    } else if (filePath.indexOf(' ') >= 0) {
-        alert("File path on server cannot have spaces!");
-    } else if (filePath[filePath.length-1] == '/') {
-        alert("File name not specified after path!");
-    } else if (fileInput[0].size > 2000*1024) {
-        alert("File size must be less than 2000KB!");
-    } else {
-        document.getElementById("newfile").disabled = true;
-        document.getElementById("filepath").disabled = true;
-        document.getElementById("upload").disabled = true;
-		
-        xhttp.onreadystatechange = function() {
-            if (xhttp.readyState == 4) {
-                if (xhttp.status == 200) {
-					alert("Upload successfull!")
-//                    document.reload();
-                    document.getElementById("reboot").disabled = false;
-                    document.getElementById("doUpdate").disabled = false;
-                } else if (xhttp.status == 0) {
-                    alert("Server closed the connection abruptly!");
-                    UpdatePage();
-                } else {
-                    alert(xhttp.status + " Error!\n" + xhttp.responseText);
-                    UpdatePage();
-                }
-            }
-        };
-		
-
-        var file = fileInput[0];
-        xhttp.open("POST", upload_path, true);
-        xhttp.send(file);
-    }
-}
-
-function uploadhtml() {
-	var xhttp = new XMLHttpRequest();
-	
-	/* first delete the old firmware */	
-	xhttp.onreadystatechange = function() {
-		if (xhttp.readyState == 4) {
-			if (xhttp.status == 200) {
-				/* keine Reaktion, damit sich das Dokument nicht ändert */
-			} else if (xhttp.status == 0) {
-				alert("Server closed the connection abruptly!");
-				UpdatePage();
-			} else {
-				alert(xhttp.status + " Error!\n" + xhttp.responseText);
-				UpdatePage();
-			}
-		}
-	};
-	xhttp.open("GET", "/ota?delete=html.zip", false);
-	xhttp.send();
-	/* ----------------------------- */
-	
-    var filePath = document.getElementById("filepathhtml").value;
-    var upload_path = "/upload/" + filePath;
-    var fileInput = document.getElementById("newfilehtml").files;
-
-    /* Max size of an individual file. Make sure this
-     * value is same as that set in file_server.c */
-    var MAX_FILE_SIZE = 2000*1024;
-    var MAX_FILE_SIZE_STR = "2000KB";
-
-    if (fileInput.length == 0) {
-        alert("No file selected!");
-    } else if (filePath.length == 0) {
-        alert("File path on server is not set!");
-    } else if (filePath.indexOf(' ') >= 0) {
-        alert("File path on server cannot have spaces!");
-    } else if (filePath[filePath.length-1] == '/') {
-        alert("File name not specified after path!");
-    } else if (fileInput[0].size > 2000*1024) {
-        alert("File size must be less than 2000KB!");
-    } else {
-        document.getElementById("newfilehtml").disabled = true;
-        document.getElementById("filepathhtml").disabled = true;
-        document.getElementById("uploadhtml").disabled = true;
-		
-        xhttp.onreadystatechange = function() {
-            if (xhttp.readyState == 4) {
-                if (xhttp.status == 200) {
-					alert("Upload successfull!")
-//                    document.reload();
-                    document.getElementById("reboot").disabled = false;
-                    document.getElementById("doUpdatehtml").disabled = false;
-                } else if (xhttp.status == 0) {
-                    alert("Server closed the connection abruptly!");
-                    UpdatePage();
-                } else {
-                    alert(xhttp.status + " Error!\n" + xhttp.responseText);
-                    UpdatePage();
-                }
-            }
-        };
-		
-
-        var file = fileInput[0];
-        xhttp.open("POST", upload_path, true);
-        xhttp.send(file);
-    }
-}
-
-
-function uploadtfl() {
-	var xhttp = new XMLHttpRequest();
-	
-	/* first delete the old firmware */	
-	xhttp.onreadystatechange = function() {
-		if (xhttp.readyState == 4) {
-			if (xhttp.status == 200) {
-				/* keine Reaktion, damit sich das Dokument nicht ändert */
-			} else if (xhttp.status == 0) {
-				alert("Server closed the connection abruptly!");
-				UpdatePage();
-			} else {
-				alert(xhttp.status + " Error!\n" + xhttp.responseText);
-				UpdatePage();
-			}
-		}
-	};
-	/* ----------------------------- */
-	
-    var filePath = document.getElementById("filepathtfl").value;
-    var upload_path = "/upload/" + filePath;
-    var fileInput = document.getElementById("newfiletfl").files;
-
-    /* Max size of an individual file. Make sure this
-     * value is same as that set in file_server.c */
-    var MAX_FILE_SIZE = 2000*1024;
-    var MAX_FILE_SIZE_STR = "2000KB";
-
-    if (fileInput.length == 0) {
-        alert("No file selected!");
-    } else if (filePath.length == 0) {
-        alert("File path on server is not set!");
-    } else if (filePath.indexOf(' ') >= 0) {
-        alert("File path on server cannot have spaces!");
-    } else if (filePath[filePath.length-1] == '/') {
-        alert("File name not specified after path!");
-    } else if (fileInput[0].size > 2000*1024) {
-        alert("File size must be less than 2000KB!");
-    } else {
-        document.getElementById("newfiletfl").disabled = true;
-        document.getElementById("filepathtfl").disabled = true;
-        document.getElementById("uploadtfl").disabled = true;
-		
-        xhttp.onreadystatechange = function() {
-            if (xhttp.readyState == 4) {
-                if (xhttp.status == 200) {
-					alert("Upload successfull!")
-                    document.getElementById("newfiletfl").disabled = false;
-                    document.getElementById("filepathtfl").disabled = false;
-                } else if (xhttp.status == 0) {
-                    alert("Server closed the connection abruptly!");
-                    UpdatePage();
-                } else {
-                    alert(xhttp.status + " Error!\n" + xhttp.responseText);
-                    UpdatePage();
-                }
-            }
-        };
-		
-
-        var file = fileInput[0];
-        xhttp.open("POST", upload_path, true);
-        xhttp.send(file);
-    }
-}
-
-
-
-init();
-
-</script>
-</body>
-</html>
