diff --git a/detailed-configuration.html b/detailed-configuration.html
index e011b28..fc717a0 100644
--- a/detailed-configuration.html
+++ b/detailed-configuration.html
@@ -57,7 +57,7 @@
                     <li><strong>Password</strong>: la propria password</li>
                 </ul>
                 <p>come illustrato in figura:</p>
-                <p><img class="aligncenter wp-image-41703" src="img/eduroam-android-s2i2s.png" alt="Android" width="250" height="444" /></p>
+                <p><img class="aligncenter wp-image-41703" src="img/eduroam-android-s2i2s.png" alt="Android" style="width:auto;height:auto"/></p>
                 <p>Connettersi premendo &#8220;<strong>Connetti</strong>&#8221;</p>
                 <p>I successivi accessi saranno automatici.</p>
             </div>
diff --git a/eduroam.html b/eduroam.html
index bbec8c2..17d0e20 100644
--- a/eduroam.html
+++ b/eduroam.html
@@ -91,6 +91,12 @@
 			    <div class="alert alert-warning" role="alert">
 				    <strong>Nota</strong>: su alcuni dispositivi Android è necessario un restart perché la connessione venga attivata correttamente.
 			    </div>
+				 <div class="alert alert-warning" role="alert">
+				    <strong>Nota</strong>: su alcuni dispositivi Android è necessario disattivare la verifica della CA.
+					<p><img src="img/eduroam-android-s2i2s.png" alt="Android"  style="width:auto;height:auto"/></p>
+
+			    </div>
+
             </div>
             <p>&nbsp;</p>
             <h4 class="more closed"><strong>Connessione alla rete Eduroam con dispositivi mobili Apple iOS (iPhone, iPad)</strong></h4>
diff --git a/img/eduroam-android-s2i2s.png b/img/eduroam-android-s2i2s.png
index 917a6c3..098c778 100644
Binary files a/img/eduroam-android-s2i2s.png and b/img/eduroam-android-s2i2s.png differ