diff --git a/app.py b/app.py
index 8c01357..0557d3a 100644
--- a/app.py
+++ b/app.py
@@ -1517,6 +1517,18 @@ def r_config():
         return jsonify(ok=True)
     return jsonify(load_cfg())
 
+@app.route('/api/config/ports/reset', methods=['POST'])
+def r_ports_reset():
+    cfg = load_cfg()
+    cfg['source_ports']  = []
+    cfg['source_port']   = None
+    cfg['source_label']  = ''
+    cfg['dest_port']     = None
+    cfg['dest_label']    = ''
+    cfg['dest_type']     = 'usb'
+    save_cfg(cfg)
+    return jsonify(ok=True)
+
 @app.route('/api/history')
 def r_history():
     return jsonify(load_history())
@@ -2336,6 +2348,7 @@ body{background:var(--bg);color:var(--txt);font-family:-apple-system,BlinkMacSys
   <div class="card-head">
     <div class="card-icon green">&#8644;</div>
     <span class="card-title">USB Ports &amp; Datei-Explorer</span>
+    <button class="btn sm ghost danger" style="margin-left:auto" onclick="resetPorts()">&#8635;&nbsp;Ports zurücksetzen</button>
   </div>
   <div class="card-body">
     <div class="pex-grid">
@@ -2973,6 +2986,15 @@ async function addSource(){
   renderSources(); populateSel(); renderUnassigned();
 }
 
+async function resetPorts(){
+  if(!confirm('Alle Port-Zuweisungen (Quellen & Ziel) zurücksetzen?'))return;
+  await api('/config/ports/reset','POST');
+  cfg.source_ports=[]; cfg.dest_port=null; cfg.dest_label=''; cfg.dest_type='usb';
+  selectedPortSet.clear();
+  renderSources(); renderSlot('dst',null,''); populateSel(); renderUnassigned();
+  renderExplorerTabs(); expl.role='dst'; expl.load('');
+}
+
 async function removeSource(port){
   cfg.source_ports = (cfg.source_ports||[]).filter(sp=>sp.port!==port);
   selectedPortSet.delete(port);
diff --git a/version.txt b/version.txt
index 1b5deea..633e893 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.0.59
\ No newline at end of file
+1.0.60
\ No newline at end of file