Interesting take at the end, I wouldn't necessarily call it a Win about AppleCare coverage, it only highlights all sorts of issues which are becoming increasingly common on Macs. Logic board and full unit replacements should not be commonplace.
While stumbling upon different articles, I came across this video on YouTube of a guy in Shenzhen, China, that can replace the internal 16GB storage with a 128GB capacity NAND, so it's highly possible that a modified version of this is what's been done to the iPhone..
https://www.youtube.com/watch?time_continue=198&v=2bGb5AOwp4...
There's no doubt that the FBI could arbitrarily edit/replace the contents of storage, the trick is getting it to boot after that. That's why they wanted Apple's cooperation to sign code or hand over the code signing keys.
I don't even understand why this was necessary, with both my and my husband's employer in Nevada, I am able to get a discount on the cell bill plus I get to claim my cell phone bill for taxes. To us, at least, seems fair already..
For the past few years I've been using Chrome as a PDF reader (I don't use it as my primary browser, but have it nonetheless). I'm not saying Chrome can't be vulnerable... it's just good to get rid of such pointless software as PDF reader. Especially if the case is the bloated Acrobat Reader (though I think the UX was great with that one).