diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8f832ee..66a0de5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,10 +4,20 @@ All notable changes to this project will be documented in this file. Dates are d
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
+#### [1.4.1](https://github.com/rdkcentral/webui/compare/1.4.0...1.4.1)
+
+- RDKB-62740: Disable 320MHz for 11ax mode ion 6GHz [`#83`](https://github.com/rdkcentral/webui/pull/83)
+- RDKBDEV-3296: Xfinity Connection status page returns error 404 Not Found [`#49`](https://github.com/rdkcentral/webui/pull/49)
+- RDKB-62532: Removing 400ns Guard Interval for 11ax/be for WiFi standards [`#77`](https://github.com/rdkcentral/webui/pull/77)
+- Merge tag '1.4.0' into develop [`b6ddf1f`](https://github.com/rdkcentral/webui/commit/b6ddf1f3ffef809004a5cd547da37452c1c8209c)
+
 #### [1.4.0](https://github.com/rdkcentral/webui/compare/1.3.0...1.4.0)
 
+> 4 December 2025
+
 - RDKB-61349: [SECVULN] Issuer and audience validation missing [`#65`](https://github.com/rdkcentral/webui/pull/65)
 - XER10-1896: Adding regex to validate client hostname [`#76`](https://github.com/rdkcentral/webui/pull/76)
+- Add changelog for release 1.4.0 [`cc2ec44`](https://github.com/rdkcentral/webui/commit/cc2ec44093988f46df5ffc8f23c5d65891d489e0)
 - Merge tag '1.3.0' into develop [`1547fb9`](https://github.com/rdkcentral/webui/commit/1547fb9941bcb1c50feb2cb83a36afa0c47eda8f)
 
 #### [1.3.0](https://github.com/rdkcentral/webui/compare/1.2.1...1.3.0)
diff --git a/source/Styles/xb3/jst/connection_status.jst b/source/Styles/xb3/jst/connection_status.jst
index 7142591..2eba34b 100644
--- a/source/Styles/xb3/jst/connection_status.jst
+++ b/source/Styles/xb3/jst/connection_status.jst
@@ -419,8 +419,10 @@ if(($allowEthWan=="true") || ($autoWanEnable=="true")) {
                             	 echo('<span class="value" id="actethwan">Active Ethernet WAN');
                             }else if(strtolower($selectedOperationalMode)=="docsis"){
 				echo('<span class="value" id="actdocwan">Active Docsis WAN');
-                            }else{
+                            }else if($selectedOperationalMode == "auto"){
 				echo('<span class="value" id="actautwan">Active Auto WAN');
+                            }else{
+                                echo('<span class="value" id="unknown">Unknown WAN');
                             }
                           }else{
                             $wan_enable= getStr("Device.Ethernet.X_RDKCENTRAL-COM_WAN.Enabled");
diff --git a/source/Styles/xb3/jst/includes/utility.jst b/source/Styles/xb3/jst/includes/utility.jst
index ac6dc74..4a9c97a 100644
--- a/source/Styles/xb3/jst/includes/utility.jst
+++ b/source/Styles/xb3/jst/includes/utility.jst
@@ -1237,20 +1237,18 @@ function current_operationalMode()
                   $selectedOperationalMode=getStr("Device.X_RDKCENTRAL-COM_EthernetWAN.SelectedOperationalMode");
 		  }
         else{
-		if(is_docsis_supported()) {
-                  $docsisEnable =getStr("Device.X_RDK_WanManager.Interface.1.Selection.Enable");
-                  $ethernetEnable =getStr("Device.X_RDK_WanManager.Interface.2.Selection.Enable");
-		} else {
-		  $ethernetEnable = getStr("Device.X_RDK_WanManager.Interface.1.Selection.Enable");
-		  $docsisEnable = "false";
-		}
-
-                  if(($ethernetEnable=="true") && ($docsisEnable=="false")){
-                         $selectedOperationalMode="Ethernet";
-                  }else if(($ethernetEnable=="false") && ($docsisEnable=="true")){
-                         $selectedOperationalMode="DOCSIS";
-                  }else if(($ethernetEnable=="true") && ($docsisEnable=="true")){
-                         $selectedOperationalMode="Auto";
+            $selectedOperationalMode = getStr("Device.X_RDK_WanManager.InterfaceAvailableStatus");
+            if ($selectedOperationalMode == "") {
+                $selectedOperationalMode = "unknown";
+            }
+            else if ($selectedOperationalMode.includes("|")) {
+                //If more than a single WAN is configured
+                $selectedOperationalMode = "auto";
+            }
+            else {
+                // Split the string by comma and extract the first part
+                $parts = $selectedOperationalMode.split(",");
+                $selectedOperationalMode = $parts[0];
             }
         }
          return $selectedOperationalMode;
diff --git a/source/Styles/xb6/jst/wireless_network_configuration_onewifi.jst b/source/Styles/xb6/jst/wireless_network_configuration_onewifi.jst
index 4566719..70a1fd5 100644
--- a/source/Styles/xb6/jst/wireless_network_configuration_onewifi.jst
+++ b/source/Styles/xb6/jst/wireless_network_configuration_onewifi.jst
@@ -808,6 +808,13 @@ $(document).ready(function() {
 			$("#operation_mode1").prop("disabled", true);
 		}
 	}).trigger("change");
+    $("#wireless_mode3").change(function() {
+            if ("ax"==$("#wireless_mode3").val()) {
+                    $("#channel_bandwidth7").prop("disabled", true);
+            } else if("ax,be"==$("#wireless_mode3").val() || "be"==$("#wireless_mode3").val()) {
+                    $("#channel_bandwidth7").prop("disabled", false);
+            }
+    }).trigger("change");
     $("#channel_number").change(function() {
 		show_extch(document.getElementById("channel_number").value);
 	}).trigger("change");
@@ -1869,7 +1876,9 @@ if($OperatingChannelBandwidth == "6GHz")
 	</div>
 	<div class="form-row">
 		<label for="guard_interval800ns" id="wiremess19">Guard Interval:</label>
-		<input type="radio"  name="guard_interval" value="400nsec"  id="guard_interval800ns" checked="checked" /><b>400ns</b>
+		<?% if ("g,n" == $wireless_mode) { ?>
+			<input type="radio"  name="guard_interval" value="400nsec"  id="guard_interval800ns" checked="checked" /><b>400ns</b>
+		<?% } ?>
 		<label for="guard_interval400ns" class="acs-hide"></label>
 		<input type="radio"  name="guard_interval" value="800nsec"  id="guard_interval400ns" <?% if ("800nsec"==$guard_interval) echo( 'checked="checked"');?> /><b>800ns</b>
 		<?% if (strstr($support_mode, "be")){ ?>
@@ -2121,7 +2130,9 @@ if($OperatingChannelBandwidth == "6GHz")
 	</div>
 	<div class="form-row odd">
 		<label for="guard_interval800ns1" id="wiremess19">Guard Interval:</label>
-		<input type="radio"  name="guard_interval1" value="400nsec"  id="guard_interval800ns1" checked="checked" /><b>400ns</b>
+		<?% if ("a,n" == $wireless_mode1 || "a,n,ac" == $wireless_mode1) { ?>
+			<input type="radio"  name="guard_interval1" value="400nsec"  id="guard_interval800ns1" checked="checked" /><b>400ns</b>
+		<?% } ?>
 		<label for="guard_interval400ns1" class="acs-hide"></label>
 		<input type="radio"  name="guard_interval1" value="800nsec"  id="guard_interval400ns1" <?% if ("800nsec"==$guard_interval1) echo('checked="checked"');?> /><b>800ns</b>
 		<?% if (strstr($support_mode_5g, "be")){ ?>
@@ -2314,7 +2325,6 @@ if($OperatingChannelBandwidth == "6GHz")
 	</div>
 	<div class="form-row odd">
 		<label for="guard_interval800ns1" id="wiremess19">Guard Interval:</label>
-		<input type="radio"  name="guard_interval3" value="400nsec"  id="guard_interval800ns1" checked="checked" /><b>400ns</b>
 		<label for="guard_interval400ns1" class="acs-hide"></label>
 		<input type="radio"  name="guard_interval3" value="800nsec"  id="guard_interval400ns1" <?% if ("800nsec"==$guard_interval3) echo('checked="checked"');?> /><b>800ns</b>
 		<?% if (strstr($support_mode_6g, "be")){ ?>