K kdub805 macrumors newbie Original poster Sep 16, 2012 #1 I purchased 10GB and didn't realize it, I wanted 20Gb. If upgrade now (first purchase was about 4 days ago) do I get charged the full $40 or the difference?
I purchased 10GB and didn't realize it, I wanted 20Gb. If upgrade now (first purchase was about 4 days ago) do I get charged the full $40 or the difference?