Buy.com deal: Get the Kingston 8GB Secure Digital High Capacity (SDHC) Card - Class 4 - SD4/8GB for $4.99 + $0 shipping, total $4.99 delivered. It is very easy to install just follow this four simple step. First clean the iPhone screen thoroughly and Expose 1/2 inch of the screen protector, Align the exposed section of the screen protector with the iPhone. Place the screen protector slowly and push downward to make sure all the air come out between the cell phone and the screen protector.