Q: I’ve been having a weird problem with my passcode field not showing up at all when I type it in on my iPhone lock screen. I know the iPhone is normally supposed to show dashes or dots or something as placeholders when I’m typing in my passcode, but in my case it shows nothing—no blank field, no filled in characters as I type. I’m able to get into my iPhone fine by keying in my passcode, but i just can’t actually what…