: Create an outbound rule in Windows Firewall for the diagnostic executable.
Many users assume that buying a new $30 clone is easier than fixing a broken one. However, taking the time to properly repair and re-flash a clone cable yields significantly better long-term results. 1. You Can Upgrade to a True STM32 ARM Chip Architecture
If your cable has flashing red lights or isn't recognized, try these recovery steps:
Once you learn how to wire up an ST-Link programmer to the internal EEPROM/Flash pins of your HEX-V2, the fear vanishes.
: If you have a "Real" HEX-V2 clone (with the STM32F405 chip), the hardware is actually quite robust. The failures are usually just the bootloader being wiped by an internet connection. Feature Unlocking