Huawei's place on the US administration's Entity List had cut it off from supplies of high-end OLED smartphone panels from Samsung and LG. However, new reports indicated that the former has obtained a license to sell these components to the Chinese OEM again. Then again, it still can't use them to make new flagship devices.
https://www.notebookcheck.net/Huawei-can-now-order-Samsung-displays-again.499908.0.html