Opcom Firmware 1-67 Download Portable -

Click or Flash . Do not disconnect the cable during this process.

After updating, you must re-sync the hardware with your diagnostic software: Open your software. Go to Settings -> Test Interface . Opcom Firmware 1-67 Download

Note : On Windows 10/11, you may need to to install these unofficial drivers. Click or Flash

"Always back up your original firmware (usually 1.45) before flashing to 1.67. If the flash fails, your interface becomes a brick." your interface becomes a brick."