We have got the demo of 8MMINILPD4-EVK and download schematics from NXP website, but we can't open the BRD file because of the lower versions of Cadence Allegro and Altiume Design in our computer(Altiume is versions 17.0 and Allegro is versions 16.3), please help to transfer the file to the lower that we can open, thanks.
You are facing this issue due to you are using lower version of cadence allegro. You can download Allegro/OrCAD FREE Physical Viewer from below URL for reference.