Is it safe to open a PDF from an unknown source on an iPhone?
I need an expensive textbook for school, and a classmate sent me a PDF copy that they got from somewhere else. I don't know where it came from,…
I need an expensive textbook for school, and a classmate sent me a PDF copy that they got from somewhere else. I don't know where it came from,…
Hey everyone! I recently downloaded a bunch of PDFs on my iPhone and opened them using the Books app. I'm feeling a bit paranoid and would love to…