You can import patches through MODALapp on macOS / Windows by doing the following procedure:
*At this time the Android and iOS versions of MODALapp do not support patch upload / download
1. Right-click on the LOCAL slot you wish to replace
2. Select 'Import Patch' and find it on your computer.
The patch will be replaced.
Please note there is no undo so export this patch if you wish to keep it or use a init patch location.
Once the patch is imported, to keep it permanently in the synth you can drag from the local side to the device side.