just got back in. gave my iphone to my kid. Poor me had to upgrade to an iphone 7+ 
didn’t realize that they had 128 and 256 versions now… was forced to get the 256 version.
the link @NvdB31 posted was there earlier. I saw it myself.
And I had forgotten about that post. Been awhile since I saw it… about 3 years ago.
Add @danro to the list of best people to answer this question.
I think he’s the original author… as it’s attributed to him on github.
Anyways… it seems they moved the post today.
Here’s the new url