Create a custom modprobe config:
The JXMCU driver supports up to 12 Mbps, but your flashing software (like jxmcu-flash ) defaults to 1.5 Mbps. jxmcu driver
[SYSTEM] JXMCU v0.2b core active. [!] Unauthorized debug access detected. Logging to sector 0x7F00. Create a custom modprobe config: The JXMCU driver
rather than third-party mirror sites to ensure security and compatibility. Installation Steps jxmcu driver