diff --git a/html/certification.php b/html/certification.html
similarity index 95%
rename from html/certification.php
rename to html/certification.html
index d1f5977..6ab4395 100644
--- a/html/certification.php
+++ b/html/certification.html
@@ -164,13 +164,9 @@
             full responsibility for compliance with this declaration.
         </p>
 
-        <div class="section-title">Device ID</div>
+        <div class="section-title">Device Id</div>
         <p>
-             <?php
-                exec("sudo chmod 444 /sys/class/dmi/id/product_uuid");
-                $device_id = trim(file_get_contents('/sys/class/dmi/id/product_uuid'));
-                echo $device_id;
-             ?>
+            certificatecertificatecertificatecertificate
         </p>
 
         <div class="signature">
diff --git a/html/index.html b/html/index.html
index 302b9af..88e33ed 100644
--- a/html/index.html
+++ b/html/index.html
@@ -268,7 +268,7 @@
                 <span class="pill"><a style="color: #ffffff;" href="https://wa.me/+918000741919">What's app</a></span>
                 <span class="pill"><a style="color: #ffffff;" href="mailto:hello@urmic.org">Email</a></span>
                 <span class="pill"><a style="color: #ffffff;" href="tel:+918000741919">Call Us</a></span>
-                <span class="pill"><a style="color: #ffffff;" href="certification.php">Certificate</a></span>
+                <span class="pill"><a style="color: #ffffff;" href="certification.html">Certificate</a></span>
             </div>
 
             <div class="footer">
diff --git a/install.sh b/install.sh
index f5b5885..157beca 100755
--- a/install.sh
+++ b/install.sh
@@ -443,3 +443,5 @@ sudo ufw route allow proto udp to 224.0.0.0/4
 sudo ufw deny out to 239.255.254.254 port 39000 proto udp
 sudo ufw allow from 172.16.111.112 to 172.16.111.111 port 8080
 sudo ufw --force enable
+DEVICE_ID="$(cat /sys/class/dmi/id/product_uuid | tr -d '\n')"
+sudo sed -i 's/certificatecertificatecertificatecertificate/${DEVICE_ID}/g' /var/www/html/certification.html
\ No newline at end of file