Does the Apple Pencil work on the iPad mini 4 model A1538
Does the Apple Pencil work on the iPad mini 4 model A1538
iPad mini 4 Wi-Fi
No.
An iPad Mini 4 is too old an iPad to use with ANY Apple Pencil.
No iPad made before late 2015 can use any version of the Apple Pencil.
You need to seek out a third party alternative, smart, Bluetooth stylus.