This is the most popular method in Russian and German VAG forums. You are essentially rewriting the clone’s identity chip.
These clones promise full functionality with software version (often referred to as build 2231). But then it happens. One day, you plug it in. The green LED blinks once, then dies. The software reads: "Interface not found" or "Firmware update required." Or worse, you see the dreaded "Clone mode - Not working" error. vcds 2231 hex v2 clone repair verified
ST-Link V2 programmer (USB stick, $5 on Amazon), 4 Dupont wires, STM32CubeProgrammer. This is the most popular method in Russian