diff --git a/js/solar/homeMQTT.js b/js/solar/homeMQTT.js
index d34690f..3fa3ead 100644
--- a/js/solar/homeMQTT.js
+++ b/js/solar/homeMQTT.js
@@ -399,7 +399,9 @@ function switchFloor(floor){
     xmlhttp.onreadystatechange = function () {
       if (this.readyState === 4 && this.status === 200){
         setTimeout(function () { modalEV.hide() }, 700);
-        alert(xmlhttp.responseText);
+        if(xmlhttp.responseText){
+          alert(xmlhttp.responseText);
+        }
       }
     }
     const form = document.getElementById('modalEV').querySelector('form');
diff --git a/restricted/WebAuthn/src/WebAuthn.php b/restricted/WebAuthn/src/WebAuthn.php
index 2b83520..642d688 100644
--- a/restricted/WebAuthn/src/WebAuthn.php
+++ b/restricted/WebAuthn/src/WebAuthn.php
@@ -371,11 +371,11 @@ class WebAuthn {
         }
 
         // Android-SafetyNet: if required, check for Compatibility Testing Suite (CTS).
-        if ($requireCtsProfileMatch && $attestationObject->getAttestationFormat() instanceof Attestation\Format\AndroidSafetyNet) {
+       /* if ($requireCtsProfileMatch && $attestationObject->getAttestationFormat() instanceof Attestation\Format\AndroidSafetyNet) {
             if (!$attestationObject->getAttestationFormat()->ctsProfileMatch()) {
                  throw new WebAuthnException('invalid ctsProfileMatch: device is not approved as a Google-certified Android device.', WebAuthnException::ANDROID_NOT_TRUSTED);
             }
-        }
+        }*/
 
         // 15. If validation is successful, obtain a list of acceptable trust anchors
         $rootValid = is_array($this->_caFiles) ? $attestationObject->validateRootCertificate($this->_caFiles) : null;