diff --git a/Layout/default/Device/Detail.php b/Layout/default/Device/Detail.php
index 25d83adb0..dd5e780c9 100644
--- a/Layout/default/Device/Detail.php
+++ b/Layout/default/Device/Detail.php
@@ -135,6 +135,17 @@
             padding: 6px 0.85rem 6px 0.85rem !important;
         }
 
+        .fa-fileupload {
+            font-size: 28px;
+            color: #128a01;
+            margin-top: 4px;
+            cursor: pointer;
+        }
+
+        .form-label-upload {
+            margin-top: 10px;
+        }
+
 
     </style>
     <!-- start page title -->
@@ -337,15 +348,20 @@ foreach ($devicesall as $deviceall) {
                                 <?php
                             }
                             ?>
+
                         </div>
                         <?php if ($me->is('Admin')) : ?>
                             <div class="col-12 col-lg-3 card-border">
                                 <div class="overflow-auto">
                                     <h4 class="float-left">Config Backups</h4>
+
                                     <?php if ($devices->devicetype->devicemanufactor->config_backup > count()): ?>
                                         <span><i title="Switch config" class="fa-light fa-rectangle-code code-ico"
                                                  data-toggle="modal" data-target="#configCode"></i></span>
                                     <?php endif;
+                                    ?>
+
+                                    <?php
                                     if ($me->is('Admin')):
                                         ?>
                                         <div class="float-right">
@@ -354,8 +370,30 @@ foreach ($devicesall as $deviceall) {
                                             <button class="btn btn-primary "><span id="create-backup-button-text">Backup erstellen</span>
                                                 <span id="create-backup-load"></i></span></button>
                                             </a></div>
+                                        <span class="float-right mr-2"><i
+                                                    class="fa-solid fa-cloud-arrow-up fa-fileupload"></i></span>
                                     <?php endif; ?>
                                 </div>
+                                <div id="documents-upload" class="row mt-2 mb-2 justify-content-start" style="display: none">
+                                    <div class="col-5 col-lg-4 text-center"><label
+                                                class="form-label form-label-upload">Backup Upload</label></div>
+                                    <div class="col-19 col-lg-8" id="attachments" data-newkey="">
+
+                                        <div class="input-group mb-2">
+                                            <div class="custom-file">
+                                                <input type="file" class="custom-file-input" id="files-input"
+                                                       name="files[]"
+                                                       multiple>
+                                                <label class="custom-file-label" for="files-input"
+                                                       aria-describedby="">Datei(en)</label>
+                                            </div>
+
+                                        </div>
+                                        <div class="attachment-div mb-2"></div>
+                                        <div id="uploadsts"></div>
+
+                                    </div>
+                                </div>
                                 <?php
                                 if ($devicesconfig->success == "true" && $devicesconfig->data > count()) {
                                     ?>
@@ -683,6 +721,64 @@ foreach ($devicesall as $deviceall) {
 
     <script type="text/javascript">
         const customers =<?php echo json_encode($customer); ?>;
+
+        function uploadajax(totalFiles, currentIndex) {
+            let fileList = $('#files-input').prop("files");
+            let form_data = new FormData();
+
+            form_data.append("files[]", fileList[currentIndex]);
+            if ($('.fa-folder-open').data('id')) {
+                form_data.append("folder_id", $('.fa-folder-open').data('id'));
+            }
+
+            $.ajax({
+                url: '<?= self::getUrl("Device", "api", ['do' => 'uploadFile', 'id' => $devices->id]) ?>',
+                cache: false,
+                contentType: false,
+                processData: false,
+                async: true,
+                data: form_data,
+                type: 'POST',
+                xhr: function () {
+                    let xhr = $.ajaxSettings.xhr();
+                    if (xhr.upload) {
+                        xhr.upload.addEventListener('progress', function (event) {
+                            let percent = 0;
+                            if (event.lengthComputable) {
+                                percent = Math.ceil(event.loaded / event.total * 100);
+                            }
+                            $('.pb-' + currentIndex).css('width', percent + '%')
+                                .attr('aria-valuenow', percent);
+                        }, false);
+                    }
+                    return xhr;
+                },
+                success: function (res, status) {
+                    $('.pb-' + currentIndex).closest('.progress').remove();
+                    if (currentIndex < totalFiles - 1) {
+                        uploadajax(totalFiles, currentIndex + 1);
+                    } else {
+                        window.location.reload();
+                    }
+                },
+                error: function (res) {
+                    alert('Upload fehlgeschlagen.');
+                }
+            });
+        }
+
+        function formatFileSize(bytes) {
+            if (bytes >= 1024 * 1024) {
+                const megabytes = bytes / (1024 * 1024);
+                return megabytes.toFixed(2) + ' MB';
+            } else if (bytes >= 1024) {
+                const kilobytes = bytes / 1024;
+                return kilobytes.toFixed(2) + ' KB';
+            } else {
+                return Math.round(bytes) + ' Bytes';  // Keine Nachkommastellen
+            }
+        }
+
         $(document).ready(function () {
 
 
@@ -1304,6 +1400,34 @@ foreach ($devicesall as $deviceall) {
                 ;
             });
             $('[data-toggle="tooltip"]').tooltip()
+
+            $(document).on('change', '#files-input', function () {
+                let fileList = $('#files-input').prop("files");
+                // Leeren des Upload-Status-Containers
+                $('#uploadsts').html('');
+                $('.attachment-div').html('');
+
+                // Erzeuge für jede Datei einen eigenen Fortschrittsbalken (eindeutig per Index)
+                for (let i = 0; i < fileList.length; i++) {
+                    $('.attachment-div').append(`
+            <div class="progress" style="margin-bottom: 10px;">
+                <div class="progress-bar progress-bar-striped progress-bar-animated pb-${i}"
+                     role="progressbar"
+                     style="width: 0%;"
+                     aria-valuenow="0"
+                     aria-valuemin="0"
+                     aria-valuemax="100"></div>
+            </div>
+        `);
+                }
+
+                if (fileList.length > 0) {
+                    uploadajax(fileList.length, 0);
+                }
+            });
+            $(document).on('click', '.fa-fileupload', function () {
+                $('#documents-upload').toggle();
+            });
         });
 
     </script>
diff --git a/application/Device/DeviceController.php b/application/Device/DeviceController.php
index b55d259a0..ee235cd49 100644
--- a/application/Device/DeviceController.php
+++ b/application/Device/DeviceController.php
@@ -318,6 +318,9 @@ class DeviceController extends mfBaseController
             case "createconfig":
                 $this->createConfig($ip);
                 break;
+            case "uploadFile":
+                $this->uploadFile($id);
+                break;
             case "getoltinfo":
                 $this->getoltInfo($ip, $portid, $adv);
                 break;
@@ -361,6 +364,15 @@ class DeviceController extends mfBaseController
 
         exit;
     }
+    private function uploadFile($id)
+    {
+        $r = $this->request;
+        $file = $_FILES;
+        $response = DeviceModel::uploadFile($id, $file);
+        echo $response;
+        die();
+
+    }
 
     private function createConfig($ip)
     {
diff --git a/application/Device/DeviceModel.php b/application/Device/DeviceModel.php
index 7ed65c35f..5ad359291 100644
--- a/application/Device/DeviceModel.php
+++ b/application/Device/DeviceModel.php
@@ -362,4 +362,65 @@ class DeviceModel
         endif;
         return json_decode($response);
     }
+    public static function uploadFile($id, $file)
+    {
+        $response = "";
+
+        if (TT_MBI_API_ENABLE) {
+            // Überprüfe, ob im $_FILES-Array ein 'files'-Eintrag vorhanden ist
+            // und ob mindestens eine Datei hochgeladen wurde.
+            if (!isset($_FILES['files']) || !isset($_FILES['files']['tmp_name'][0]) || empty($_FILES['files']['tmp_name'][0])) {
+                return json_encode(["error" => "Dateiupload fehlgeschlagen: Keine Datei unter 'files' gefunden."]);
+            }
+
+            // Baue die URL zusammen
+            $url = TT_MBI_API_URL . TT_MBI_API_VERSION . '/deviceuploadfile/' . $id;
+
+            // Erstelle ein CURLFile-Objekt aus dem ersten (und evtl. einzigen) Element
+            $curlFile = new CURLFile(
+                $_FILES['files']['tmp_name'][0],
+                $_FILES['files']['type'][0],
+                $_FILES['files']['name'][0]
+            );
+
+            // Bereite die POST-Daten vor: Der Schlüssel "file" entspricht
+            // eventuell den Erwartungen der API.
+            $postFields = ['file' => $curlFile];
+
+            // cURL-Handle initialisieren und Optionen setzen
+            $curl = curl_init();
+            curl_setopt_array($curl, [
+                CURLOPT_URL => $url,
+                CURLOPT_HEADER => true,
+                CURLOPT_RETURNTRANSFER => true,
+                CURLOPT_SSL_VERIFYHOST => false,
+                CURLOPT_SSL_VERIFYPEER => false,
+                CURLOPT_TIMEOUT => 0,
+                CURLOPT_FOLLOWLOCATION => true,
+                CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
+                CURLOPT_POST => true,
+                CURLOPT_POSTFIELDS => $postFields,
+                CURLOPT_HTTPHEADER => [
+                    'Authorization: Bearer ' . TT_MBI_API_KEY
+                ]
+            ]);
+
+            // Führe die Anfrage aus
+            $response = curl_exec($curl);
+
+            // Fehlerbehandlung: Bei einem cURL-Fehler gebe diesen als JSON zurück
+            if (curl_errno($curl)) {
+                $error_msg = curl_error($curl);
+                curl_close($curl);
+                return json_encode(["error" => $error_msg]);
+            }
+
+            // Schließe den cURL-Handle
+            curl_close($curl);
+        }
+
+        // Dekodiere die Antwort und gebe sie zurück
+        return json_decode($response);
+    }
+
 }
\ No newline at end of file