diff --git a/python/example-tinance2.py b/python/example-tinance2.py
index d23e1b2..00d664c 100644
--- a/python/example-tinance2.py
+++ b/python/example-tinance2.py
@@ -26,7 +26,7 @@ HEADERS = {
 }
 
 # Define a maximum number of retry attempts and a delay between retries
-MAX_RETRY_ATTEMPTS = 3
+MAX_RETRY_ATTEMPTS = 5  # Changed to 5
 RETRY_DELAY_SECONDS = 10
 
 def handle_log_msg(prefix, value):
@@ -45,6 +45,10 @@ def send_http_request_with_retry(url, data, headers):
                 elif reader_info.get("mode") == "TOGGLE":
                     ser.write("toggle".encode('utf-8'))
                 break  # Successful request, no need to retry
+            elif response.status_code in [400, 401, 500]:
+                # Don't retry on certain errors
+                print(f"HTTP POST request failed with status code {response.status_code}. Not retrying.")
+                break
             else:
                 print(f"Failed to send FULL_CARD_ID via HTTP POST. Status code: {response.status_code}")
                 print(response.text)