The glass has arrived securely packaged with me. What's all in there, to dry and clean the glass, soaked in alcohol wipe and a cloth. Make only with the damp cloth clean the glass, then dry with a dry cloth and clean. Now the protective film take from the glass and on the phone (Galaxy S4 mini) and fix one side hang up now, the glass by itself sucks firmly. Result: Fits and without air bubbles or so. Can it recommend with good conscience.