Version is the most stable firmware ever released for the original FTDI-based chipsets. It is not the newest, but it is arguably the best Mini VCI J2534 firmware for heavy diagnostic use.
Mini VCI J2534 Tis Techstream Cable OBD2 Diagnostic India - Ubuy mini vci j2534 firmware best
Here’s the straight-to-the-point recommendation for the best firmware: Version is the most stable firmware ever released