"No GPS" Ublox & Pixhawk


I am new to Ardupilot and I am setting up my first GPS drone. I found this cheap GPS on Amazon which is an Ublox M10. Mission Planner says there is no GPS unit detected.

There is very little documentation on this GPS and I had to solder my own special connector to get it to work with the Pixhawk 6x

What can I do to help Ardupilot recognize this GPS?

Use ArduCopter firmware version 4.4.1 or newer.
Check your connections again. Swap Rx with tx if the problem presists.