iFixit

Grasp the upper case on either side of the keyboard space and rotate up and away from the screen.

You may be thinking you're about to break your upper case. Not to worry - the tabs holding the upper and lower cases together are very strong. Simply apply even pressure and continue to rotate the upper case up and away from the screen until it comes free.

Remove the following Phillips screws:

• Remove the longer Phillips screw from the middle-rear of the modem shield.
• Remove the three identical Phillips screws, two on either side of the EMI fingers, and the remaining one on the right side of the modem shield.
• Remove the larger Phillips screw that secures the EMI fingers to the modem board.

Remove the EMI fingers.