: Try using a USB 2.0 port instead of USB 3.0, as some older Unisoc chipsets struggle with high-speed 3.0 controllers.
Linux does not use the term "CM2 SPD driver." Instead, the kernel directly reads the Super I/O chip. cm2 spd driver
If CM2 is stuck at "Waiting for phone," check Device Manager. If you see a yellow exclamation mark next to the SPD port, your Driver Signature Enforcement was likely not disabled correctly. Why Use the Official Infinity-Box Version? : Try using a USB 2
: Facilitates device initialization, partition management, and basic hardware diagnostics. cm2 spd driver
Supports all major SPD architectures (SC7731, SC9832, SC9863A, etc.).