Metahuman Hair hidden on Quest 3 APK

I’m unable to get metahuman hair to show up in a packaged APK using 5.3. It shows up fine in VR using the Editor or PCVR, but not in an APK for the Quest 3 / mobile. Things I’ve tried:

  • Groom enabled in .uproject
  • Quality set to High/Epic 5x5
  • Hard coding LOD Sync to -1
  • Setting it to a low poly LOD
  • Changing the LOD Bias
  • Setting Hair Cards = true

What else might be causing hair to hide on a mobile build?