diff --git a/main/communication_handler.c b/main/communication_handler.c
index 5742097..ccf9057 100644
--- a/main/communication_handler.c
+++ b/main/communication_handler.c
@@ -262,7 +262,10 @@ void client_receive_callback(const esp_now_recv_info_t *esp_now_info,
                                      sizeof(BaseMessage)));
         hasMaster = true;
       }
+      break;
     }
+    // check if its an update message
+
     break;
   case RegisterPage:
     break;
diff --git a/main/communication_handler.h b/main/communication_handler.h
index b49d472..ce172ba 100644
--- a/main/communication_handler.h
+++ b/main/communication_handler.h
@@ -28,16 +28,35 @@ static uint8_t broadcast_address[ESP_NOW_ETH_ALEN] = {0xFF, 0xFF, 0xFF,
 #define MESSAGE_QUEUE_SIZE 10
 
 typedef enum {
+  OTA_PREP_UPGRADE,
+  OTA_SEND_PAYLOAD,
+  OTA_WRITE_UPDATE_BUFFER,
+  OTA_SEND_MISSING,
+  OTA_UPDATE_INFO,
+  OTA_END_UPGRADE,
   StatusPage,
   GetStatusPage,
   ConfigPage,
   PingPage,
   BroadCastPage,
   RegisterPage,
-  FirmwarePrepPage,
-  FirmwarePayloadPage,
 } CommandPages;
 
+typedef struct __attribute__((packed)) {
+
+} OTA_PREP_UPGRADE_Payload;
+
+typedef struct __attribute__((packed)) {
+} OTA_SEND_PAYLOAD_Payload;
+typedef struct __attribute__((packed)) {
+} OTA_WRITE_UPDATE_BUFFER_Payload;
+typedef struct __attribute__((packed)) {
+} OTA_SEND_MISSING_Payload;
+typedef struct __attribute__((packed)) {
+} OTA_UPDATE_INFO_Payload;
+typedef struct __attribute__((packed)) {
+} OTA_END_UPGRADE_Payload;
+
 typedef struct __attribute__((packed)) {
   uint16_t version; // software version
   uint8_t runningPartition;