Perfect cooperation the effect is very good the great product is exactly what i want good practice and bubblefree installation tips are actually very helpful since i have experienced many of them the price is perfect easy application this was so easy to apply and i am very happy with this purchase with all of it they become very simple second time buying this screen protector because it did its job when i accidentally chucked my phone face down on the asphalt the screen protector saved my phone screen when the phone dropped on the gravel screen facing down this is a premium product with excellent customer and product support please note that the screen protector does not cover the entire glass as the phones front glass is slightly curved toward the edges i like the simple easytofollow instructions and ease of use the easiest screen saver i found