I just got the ZaggKeys Folio and invisibleshield screen protector for my iPad Air. I also got some issues with them. The hinged of Zagg Folio hit the film and made some bubbles. I think the protector added some bulks to the iPad's screen. Or might be my fault process in installing film protector. Plz share your experiences using the iPad with Zagg Folio. Need or no-need a screen protector? I'll appreciate it. Thanks in advance! 