you need to modify the registory.xml (dev_blind/vsh/esource/xmb/explore) and explore_plugin_full (dev_blind/vsh/resource). the first file is for sorting. the second file is to change the name from timecreated to alphabetizing. check out my tutorial on how to do this. since you're on han, you'll need to make the changes yourself., because I think one or both files are involved with han. neither file is encrypted, so they can be injected.
edit: btw, using the explore_view method shouldn't be relied on, 'cause I believe that file will be recreated if you change sorting mechanics. it won't be permanent.