Here's how to do it ..http://www.formymobile.co.uk/galaxysdisa..., as E Carson says the 2 screens (touch and display) are joined so you can't separate them. You may find someone who says you can but for me I don't think picking pieces off for 2 days is a successful way to do things. If you are careful and take things slowly I'm sure you will be able to do this repair. You will need to find someone who sells..here or here also on ebay..
I would not recommend attempting to repair this phone. Specifically the AMOLED screen is attached to the digitizer by glue. The digitizer/scree
If however you really want to give it a go, read this forum post: