Not too much information on this Samsung cellphone, other than it looks like the world’s thinnest 3G WCDMA phone (.4 inches thick) and is set to be shown at 3GSM. Here's a scoop we just dug out. If we got our Korean right, then you are looking at the world's thinnest 3G WCDMA phone, the Samsung SGH-Z150. It's just 9.8mm thick! Unfortunately, that's also where our skills in the Korean language ended. We couldn't gather more information.The SGH-Z150 will be doing the rounds at the 3GSM World Congress. Now, what would a WCDMA phone do at a GSM show? Anybody want to take a dig?