diff --git a/WaterishOS-core3.0/WaterishOS-core3.0.ino b/WaterishOS-core3.0/WaterishOS-core3.0.ino
index f0f7694..90f9346 100644
--- a/WaterishOS-core3.0/WaterishOS-core3.0.ino
+++ b/WaterishOS-core3.0/WaterishOS-core3.0.ino
@@ -30,6 +30,7 @@
 Adafruit_MCP23017 mcp;
 long tslr = 0;
 WiFiClient espClient;
+boolean allowbuttonint=true;
 AceButton gpio0(0);
 PubSubClient client("siwatsystem.com", 1883, espClient);
 PubSubClientTools mqtt(client);
@@ -44,6 +45,7 @@ boolean firstrun = true;
 FlowMeter sensor1 = FlowMeter(12);
 FlowMeter sensor2 = FlowMeter(13);
 boolean devcon=false;
+int devconmenu=0;
 volatile boolean awakenByInterrupt = false;
 LiquidCrystal_I2C lcd(0x3F, 16, 2);
 int menu;
@@ -165,27 +167,37 @@ void setup() {
 
 void loop() {
   if(online)client.loop();
-  threadControl.run();
-  gpio0.check();
+  if(!devcon)threadControl.run();
+  if(allowbuttonint)gpio0.check();
+}
+void drawcon(){
+  ()
 }
 void handleGPIO0(AceButton* , uint8_t eventType,
     uint8_t ) {
   switch (eventType) {
     case AceButton::kEventPressed:
+      if(devcon=false){
+        allowbuttonint=false;
       devcon=true; //no going back, Delete Waterish OS and Install Siwat INC(R) DEVCON OS
-      lcd.print("  SIWAT INC(R)  ","DEVCON OS V3.2.4");
+      writelcd("  SIWAT INC(R)  ","DEVCON OS V3.2.4");
       delay(1000);
-      lcd.print("DEVCON  TOOLKITS","3 Extension Load");
+      writelcd("DEVCON  TOOLKITS","3 Extension Load");
       delay(1000);
-      lcd.print("Initia Extension","connectionchck.c");
+      writelcd("Initia Extension","connectionchck.c");
       delay(2000);
-      lcd.print("Initia Extension","hall_pid_tuner.c")
+      writelcd("Initia Extension","hall_pid_tuner.c")
       delay(2000);
-      lcd.print("Initia Extension","credit_display.c");
+      writelcd("Initia Extension","credit_display.c");
       delay(2000);
-      lcd.print("DEVCON  TOOLKITS","set WTOS at 0x3D");
+      writelcd("DEVCON  TOOLKITS","set WTOS at 0x3D");
       delay(1000);
+      allowbuttonint=true
+      devconmenu=1;
+      drawcon();
       break;
+      }
+      
     case AceButton::kEventReleased:
       //debounce
       break;