If your XT-U33502 device is very old (pre-2012), the chip may be counterfeit. In that case, only a legacy Windows 7 machine or a cheap replacement USB-to-TTL adapter will solve the issue.
Hey everyone,
This isn’t a standalone product—it’s a common USB-to-UART bridge chip found in USB cables, CNC controllers, Arduino clones, and programming adapters. The chip inside is typically a Prolific PL2303 or less commonly a CH340. Xin Top Xt-u33502 Driver
Hope this saves someone an hour of frustration. Post your Hardware IDs below if you’re still stuck. If your XT-U33502 device is very old (pre-2012),