Okay I have read many threads and none of them fit my issue exactly so I thought I would post about it.
My setup:
Firmware 9.1.0
AMS 0.10.1
Tinfoil 7.00
NXDumpTool 1.1.8
microSD format: fat32
Background:
I am able to install any standalone .nsp and .xci files if they are under 4.3GB (sd card...