2D marking on the device show XXXX

[Laurazhou]

Dear all , 

we bought STM32F429IIT6   DC 2337 from  agent , when we scan the 2D marking on the device show XXXXXXXXXXXXXXXX,   is it  normal ? 

another question : we  found the PCN for the marking change  with  2D code  is from  2024-7-30 , but our device is 

2337+   ,it also have  2D code  , is it correct , is ther have  other PCN for referece ？

Attached   for your reference and waiting for your reply!

[Joe WILLIAMS]

Hi Laurazhou

This post has been escalated to the ST Online Support Team for additional assistance. Should anyone else have a similar question about Markings, please submit your request directly to the ST Online Support Team at https://my.st.com/ols

Regards

Joe

STMicro Support