NOTICE:you need choose your phone version first.(fit all iphone 4s;fit iphone 4 Verizon only;fit iphone 4 att only)if order wrong version.That will not have a warranty.i4 att not same i4 Verizon and i4s.make sure your phone before your order.Have your or a loved one damaged your iPhone back.Maybe you just want a change. Dare to be different and order this battery over.replacement backs for your iPhone.Set includes everything.Simply remove the two screws from the bottom slide off the back.It takes less than five minutes to replace.Package include:1 x back glass1 x screwdriver tool1 x   protect case