Hi,

Check this video: http://www.youtube.com/watch?v=enRoL...ature=youtu.be

It says it's likely not possible to change the glass only. The digitizer will get destroyed in the process. I think you'll need the whole assembly.

Edit: In case you don't need white cover and SIM-tray (the black ones look fine IMO with white housing) you can save some money and buy this instead: http://www.ebay.com/itm/New-White-Fa...ht_3591wt_1102