I strongly advise this. I struggled to finally find a film that protects that retains quality Retina display and that both ensures an easy! I put the film on the front and rear on the first try without any bubble, when I look at my iPhone on both sides I feel it's like nothing I had put so the result is surprising . My friends even have trouble believing me! I am very satisfied.
Quick tip spite of everything, I recommend that you perform the installation after your shower, steam-absorbing dust and you do not have residues that will be deposited on the screen during installation. Once your well crumpled screen, there is more to do.