1 files changed, 29 insertions, 5 deletions

diff --git a/doc/book-enea-edge-getting-started/doc/upgrade_ena.xml b/doc/book-enea-edge-getting-started/doc/upgrade_ena.xml
index 14ac049..9680a0c 100644
--- a/doc/book-enea-edge-getting-started/doc/upgrade_ena.xml
+++ b/doc/book-enea-edge-getting-started/doc/upgrade_ena.xml
@@ -245,7 +245,7 @@ Enea_NFV_Access_uCPEManager_&lt;version&gt;-build&lt;build_number&gt;.tar.gz</pr
         <emphasis role="bold">System</emphasis>, <emphasis
         role="bold">Configuration</emphasis>, <emphasis role="bold">Web
         Access</emphasis> and checking the <emphasis role="bold">Enable
-        HTTP</emphasis> box, or installing it manually.</para>
+        HTTP</emphasis> box, or install Edge Enea 2.4.0 on the device manually.</para>
       </note>
     </section>
 
@@ -576,13 +576,37 @@ Enea_NFV_Access_uCPEManager_&lt;version&gt;-build&lt;build_number&gt;.tar.gz</pr
         upgrade image can be chosen from the <emphasis role="bold">Image
         Files</emphasis> tab by selecting the image file from the list and
         clicking the <emphasis role="bold">Install on Device</emphasis>
-        button.</para>
+        button. The Image files that appear in the <emphasis role="bold">Image
+        Library</emphasis> tab can be uploaded to the Enea Edge Management Application
+        by following the steps listed in <link linkend="image_lib">Image Library</link>.</para>
 
         <para>Once an image is installed on the uCPE device, the image will be
         available on the uCPE device and be visible in the <emphasis
-        role="bold">Releases</emphasis> tab. It can then be selected from the
-        list and the upgrade started by clicking the <emphasis
-        role="bold">Upgrade</emphasis> button.</para>
+        role="bold">Releases</emphasis> tab. There are two ways to make it
+        active, choose one or the other:</para>
+
+        <itemizedlist>
+          <listitem>
+            <para>Select it from the list and then start the upgrade by
+            clicking the <emphasis role="bold">Upgrade</emphasis> button.</para>
+          </listitem>
+
+          <listitem>
+            <para>Select <emphasis role="bold">Operations</emphasis>, then 
+            <emphasis role="bold">Upgrade</emphasis>, enter the
+            <literal>Release Name</literal> and press <emphasis
+            role="bold">Execute</emphasis>. Filling in the <literal>Restore Archive</literal> 
+            text field is optional and should be left unset if the 
+              <literal>NFVi Snapshot</literal> feature is disabled.</para>
+          </listitem>
+        </itemizedlist>
+
+        <para>If an installed image is no longer needed, it can be removed
+        from the device by selecting <emphasis
+        role="bold">Operations</emphasis> and <emphasis role="bold">Remove
+        Release</emphasis>. In the <emphasis role="bold">Remove
+        Release</emphasis> window, provide the <literal>Release Name</literal>
+        and press <emphasis role="bold">Execute</emphasis>.</para>
       </section>
     </section>
   </section>