Firmware 1.99 is . Chinese manufacturers created this version number primarily as a marketing tactic to make buyers believe they were purchasing a newer, more advanced tool. In reality, version 1.99 is often a modified version of older firmware (usually 1.45 or 1.59) with a hacked bootloader designed to trick the software into reading it as a newer revision. Why Do Users Search for a "Patched" Hex File?
Plug your OP-COM interface into a USB port on your PC. Do not connect it to the vehicle's OBD-II port yet. opcom firmware 199 hex file patched