I just had success creating a scene in MidiFire app on iPad (should work on iPhone as well) that makes Model Samples polyphonic
Setup:
Midi keyboard to iPad (USB hub)
Model Samples to iPad (USB hub)
Load the attached file in MidiFire app (https://apps.apple.com/ca/app/midifire/id906600872)
Will try out some more things soon via MidiFire…
Scene-Poly Model Samples V1.mfr (2.8 KB)