The VS890 is a "code reader plus." It is not a full bi-directional scan tool, but it does more than the $20 generic readers.
A: You tried to flash a file for a different hardware revision (e.g., V1.5 hardware using V2.0 firmware). Check the hardware version on the sticker behind the scanner. Match the firmware’s release notes. Vgate Maxiscan Vs890 Update Download
This guide shows how to check your VS890 firmware/software version, download official updates, and safely install them on Windows and Android. Assumes VS890 MaxiScan OBD2 Bluetooth adapter. The VS890 is a "code reader plus