diff --git a/WiFiManager.cpp b/WiFiManager.cpp
index 1e6d805..2e7884d 100644
--- a/WiFiManager.cpp
+++ b/WiFiManager.cpp
@@ -197,9 +197,20 @@ boolean WiFiManager::startConfigPortal() {
 }
 
 boolean  WiFiManager::startConfigPortal(char const *apName, char const *apPassword) {
-  //setup AP
-  WiFi.mode(WIFI_AP_STA);
-  DEBUG_WM(F("SET AP STA"));
+  
+  if(!WiFi.isConnected()){
+    WiFi.persistent(false);
+    // disconnect sta, start ap
+    WiFi.disconnect(); //  this alone is not enough to stop the autoconnecter
+    WiFi.mode(WIFI_AP);
+    WiFi.persistent(true);
+  } 
+  else {
+    //setup AP
+    WiFi.mode(WIFI_AP_STA);
+    DEBUG_WM(F("SET AP STA"));
+  }
+
 
   _apName = apName;
   _apPassword = apPassword;
@@ -297,11 +308,13 @@ int WiFiManager::connectWifi(String ssid, String pass) {
   DEBUG_WM ("Connection result: ");
   DEBUG_WM ( connRes );
   //not connected, WPS enabled, no pass - first attempt
+  #ifdef NO_EXTRA_4K_HEAP
   if (_tryWPS && connRes != WL_CONNECTED && pass == "") {
     startWPS();
     //should be connected at the end of WPS
     connRes = waitForConnectResult();
   }
+  #endif
   return connRes;
 }
 
diff --git a/examples/AutoConnectWithFSParameters/AutoConnectWithFSParameters.ino b/examples/AutoConnectWithFSParameters/AutoConnectWithFSParameters.ino
index 1d58e5c..7e6c373 100644
--- a/examples/AutoConnectWithFSParameters/AutoConnectWithFSParameters.ino
+++ b/examples/AutoConnectWithFSParameters/AutoConnectWithFSParameters.ino
@@ -61,6 +61,7 @@ void setup() {
         } else {
           Serial.println("failed to load json config");
         }
+        configFile.close();
       }
     }
   } else {