After a long and careful implementation, very happy to have my power button can rub off and my darrêter I phone. ALAS, the proximity sensor does not work at all .... I advise to change also the internal speaker because it costs only 3 or 4 and having to take off the table the old in a little spoiling and in my case I find the sound a little weak after reassembly. In summary I ordered another layer and an internal HP .....
