我们这次购买的芯片上没有ARM标记，右上角的版本号改成了二维码的形式。
请咨询我们的供应商，不同的产地/包装厂/批次会有所不同。但是我们的质量部门不会库存它们。
标记的变化比较大。此标记更改是否有相应的文件？
Translation:
There is no ARM mark on the chip we purchased this time, and the version number in the upper right corner has been changed to a QR code.
Please consult our suppliers, it will vary by origin/packaging plant/batch. But our quality department does not stock them.
The mark changes are relatively large. Is there a corresponding file for this markup change?
