Removing the bottom half.

This next step is hard, but I promise that the bottom half comes off.

Using a small flathead screwdriver, pry these tabs apart. It's hard to show how to remove the clips, but you'll see soon enough.

Using a flathead screwdriver, pop out all 7 tabs. It's hard to do this without causing some damage to the casing.

You can unlock the tabs without causing any damage by using a x-acto knife insted