Originally Posted by newbie_of_bb
Going back to the actual question related to local host file, is it possible to configure it via the BES as there is no such option on blackberry OS itself.
Yes, there is.
You can configure a hosts file or DNS on your BES (or wherever your MDS-CS instance is) and then force all handheld web browsing to use MDS.
The handheld will essentially use the hosts file from the BES.