This "glass replacement kit" Samsung S4 is designed for non-professional repairers meticulous and equipped - Non-professionals, because once the ancient glass removed, the new is held in place by a double adhesive device face-movie "pro" use a liquid adhesive which cures with UV, which gives a perfect end result but unfortunately not found on Amazon. - Meticulous because removal of the ancient glass is a difficult and time (allow two hours). The former glue that held the broken glass must be removed under hot air (70 ° C max in contact!), Rubbing the surface of the glass with your fingertip, and the residues cleaned cotton swab and isopropyl alcohol it is a Sport as tedious as the dune dimpôt declaration filling. The laying of piping sticker, meanwhile, recalls the disappointments of Hadock captain with a stamp in Flight 714 for Sidney. In short, buy the "double face repair" band, just in case your sticky framework becomes an infamous dumpling, slimy and completely unusable - Equipped since lopération is not possible if you do not have a tool capable of blowing hot dair jet constant temperature. The best being a "recovery station" délectronicien with temperature control. But a somewhat violent hairdryer, set to the "tive the crame me" and maintained at 2 cm from the glass may also be appropriate. Noisier, more cumbersome but useful outside Repair hours. If the glass is provided near perfect, tools (plastic lever, flap, dextraction sucker) are to rule without hesitation. A phone window must be peeled slowly inserting one or more business cards between said glass and screen, millimeter by millimeter, without forcing, with the help of a heat gun (ditto). Even a credit card is too thick for this operation, much less plastic accessories kit, dangerous for your phone. The seller would save by removing these useless and replacing them with a set of playing cards jokers, white board and the "Bridge of rules" used the phone, and friends can type the belotte while you work.