diff --git a/ESPBMS.ino b/ESPBMS.ino
index ca30840..5ef58b1 100644
--- a/ESPBMS.ino
+++ b/ESPBMS.ino
@@ -123,7 +123,7 @@ void loop() {
 }
 
 static void MyNotifyCallback(BLERemoteCharacteristic *pBLERemoteCharacteristic, uint8_t *pData, size_t length, bool isNotify){
-  hexDump((char*)pData, length);
+  //hexDump((char*)pData, length);
   if(!bleCollectPacket((char *)pData, length)){
     Serial.println("ERROR: packet could not be collected.");
     }
@@ -151,7 +151,7 @@ bool bleCollectPacket(char *data, uint32_t dataSize) // reconstruct packet, call
 
     static uint32_t totalDataSize = 0;
     bool retVal = false;
-    hexDump(data,dataSize);
+    //hexDump(data,dataSize);
 
     if(totalDataSize + dataSize > sizeof(packetbuff)){
       Serial.printf("ERROR: datasize is overlength.");