Firmware Upgrade Tool (ST Link V2)

This is used to upgrade the firmware on your Pacto Tech board, using the ST-Link utility. Please contact us through the contact page to receive the latest firmware for your board, as well as instructions for the upgrade process.

The color will be random.

The ST-link tools are very common on Amazon at a lower cost with fast shipping, but we offer it here for your convenience. All the ST-Link "clone" variants we have tested so far have been found compatible. Some have the pins in a different order, but they will work fine if you follow the pin labels on the unit.

All Pacto Tech Xinput boards have the ST-link pins available for hooking up the flashing tool below the USB port, but some do not have the individual pins identified (such as 2000T and 4000T). For those boards, refer to the image in this photo for the pin order:

Here is a video demonstration of the upgrade process: