ive receieved an email from this guy and he saud this
Hi, ok i will send you the link for a video to change most of the parts in the middle tray, now when you have taken out the battery connector, the earphone jack plug and the sd card reader, there is a large plastic frame that holds all three, using the same technique lift up that plate and you will find your earpiece speaker and camera flash, they are both just stuck down, just gently lift them up and put them in your new tray, then put the large plastic housing back over them and put everything back into the now tray, here's the link,