diff --git a/app.py b/app.py
index 844b45c..afcf388 100644
--- a/app.py
+++ b/app.py
@@ -731,6 +731,30 @@ def anomalies():
     anomalies = Anomaly.query.join(Device).filter(Device.user_id == current_user.id).order_by(Anomaly.timestamp.desc()).all()
     return render_template('anomalies.html', anomalies=anomalies)
 
+@app.route('/devices/update_selected', methods=['POST'])
+@login_required
+def update_selected_devices():
+    selected_ids = request.form.getlist('selected_devices')
+    if not selected_ids:
+        flash("Nie wybrano żadnych urządzeń.")
+        return redirect(url_for('devices'))
+    for device_id in selected_ids:
+        device = Device.query.get(device_id)
+        if device and device.user_id == current_user.id:
+            result, update_available, current_version, current_firmware = check_device_update(device)
+            device.last_log = result
+            device.last_check = datetime.utcnow()
+            device.update_required = update_available
+            device.current_version = current_version
+            device.current_firmware = current_firmware
+            db.session.commit()
+            # Dodaj log dla aktualizacji
+            log_entry = Log(message=result, device_id=device.id, user_id=device.user_id)
+            db.session.add(log_entry)
+            db.session.commit()
+    flash("Wybrane urządzenia zostały zaktualizowane.")
+    return redirect(url_for('devices'))
+
 # Zamknięcie harmonogramu przy zatrzymaniu aplikacji
 
 atexit.register(lambda: scheduler.shutdown())
diff --git a/templates/devices.html b/templates/devices.html
index 725c8ad..6b877b3 100644
--- a/templates/devices.html
+++ b/templates/devices.html
@@ -2,53 +2,75 @@
 {% block title %}Moje urządzenia - RouterOS Update{% endblock %}
 {% block content %}
 <h2>Moje urządzenia</h2>
-<button type="button" class="btn btn-success mb-3" onclick="window.location.href='{{ url_for('add_device') }}'">Dodaj nowe urządzenie</button>
-<table class="table table-bordered table-hover">
-  <thead class="table-dark">
-    <tr>
-      <th>Nazwa / Adres IP</th>
-      <th>Ostatnie sprawdzenie</th>
-      <th>Status</th>
-      <th>System / Firmware</th>
-      <th>Akcje</th>
-    </tr>
-  </thead>
-  <tbody>
-    {% for device in devices %}
-    <tr>
-      <td>
-        {% if device.name %}
-          {{ device.name }} | 
-          <code><small class="text-muted">{{ device.ip }}</small></code>
-        {% else %}
-          {{ device.ip }}
-        {% endif %}
-      </td>
-      <td>{{ device.last_check.strftime('%Y-%m-%d %H:%M:%S') if device.last_check else 'Brak' }}</td>
-      <td>
-        {% if device.update_required %}
-          <span class="badge bg-danger">Wymaga aktualizacji</span>
-        {% else %}
-          <span class="badge bg-success">Aktualny</span>
-        {% endif %}
-      </td>
-      <td>
-        <small>
-          <strong>System:</strong> {{ device.current_version or 'Brak' }}<br>
-          <strong>Firmware:</strong> {{ device.current_firmware or 'Brak' }}
-        </small>
-      </td>
-      <td>
-        <button type="button" class="btn btn-info btn-sm" onclick="window.location.href='{{ url_for('device_detail', device_id=device.id) }}'">Szczegóły</button>
-        <button type="button" class="btn btn-secondary btn-sm" onclick="window.location.href='{{ url_for('force_check', device_id=device.id) }}'">Wymuś sprawdzenie</button>
-        <button type="button" class="btn btn-warning btn-sm" onclick="window.location.href='{{ url_for('edit_device', device_id=device.id) }}'">Edytuj</button>
-      </td>
-    </tr>
-    {% else %}
-    <tr>
-      <td colspan="5" class="text-center">Brak dodanych urządzeń.</td>
-    </tr>
-    {% endfor %}
-  </tbody>
-</table>
+<div class="row mb-3">
+  <div class="col text-end">
+    <button type="button" class="btn btn-success" onclick="window.location.href='{{ url_for('add_device') }}'">
+      Dodaj nowe urządzenie
+    </button>
+  </div>
+</div>
+<form method="POST" action="{{ url_for('update_selected_devices') }}">
+  <button type="submit" class="btn btn-primary mb-3">Aktualizuj wybrane</button>
+  <table class="table table-bordered table-hover">
+    <thead class="table-dark">
+      <tr>
+        <th><input type="checkbox" id="select-all"></th>
+        <th>Nazwa / Adres IP</th>
+        <th>Ostatnie sprawdzenie</th>
+        <th>Status</th>
+        <th>System / Firmware</th>
+        <th>Akcje</th>
+      </tr>
+    </thead>
+    <tbody>
+      {% for device in devices %}
+      <tr>
+        <td>
+          <input type="checkbox" name="selected_devices" value="{{ device.id }}">
+        </td>
+        <td>
+          {% if device.name %}
+            {{ device.name }} | 
+            <code><small class="text-muted">{{ device.ip }}</small></code>
+          {% else %}
+            {{ device.ip }}
+          {% endif %}
+        </td>
+        <td>{{ device.last_check.strftime('%Y-%m-%d %H:%M:%S') if device.last_check else 'Brak' }}</td>
+        <td>
+          {% if device.update_required %}
+            <span class="badge bg-danger">Wymaga aktualizacji</span>
+          {% else %}
+            <span class="badge bg-success">Aktualny</span>
+          {% endif %}
+        </td>
+        <td>
+          <small>
+            <strong>System:</strong> {{ device.current_version or 'Brak' }}<br>
+            <strong>Firmware:</strong> {{ device.current_firmware or 'Brak' }}
+          </small>
+        </td>
+        <td>
+          <button type="button" class="btn btn-info btn-sm" onclick="window.location.href='{{ url_for('device_detail', device_id=device.id) }}'">Szczegóły</button>
+          <button type="button" class="btn btn-secondary btn-sm" onclick="window.location.href='{{ url_for('force_check', device_id=device.id) }}'">Wymuś sprawdzenie</button>
+          <button type="button" class="btn btn-warning btn-sm" onclick="window.location.href='{{ url_for('edit_device', device_id=device.id) }}'">Edytuj</button>
+        </td>
+      </tr>
+      {% else %}
+      <tr>
+        <td colspan="6" class="text-center">Brak dodanych urządzeń.</td>
+      </tr>
+      {% endfor %}
+    </tbody>
+  </table>
+</form>
+<script>
+  // Funkcja "Select all" – zaznacza lub odznacza wszystkie checkboxy
+  document.getElementById('select-all').addEventListener('change', function() {
+    var checkboxes = document.querySelectorAll('input[name="selected_devices"]');
+    for (var checkbox of checkboxes) {
+      checkbox.checked = this.checked;
+    }
+  });
+</script>
 {% endblock %}