Marlo Tacia, I just opened up the files that you need to do the repair on your phone. It shows you the assembly as well as how to do the repair that you require. As in cost effective, It all depends on where you are and your level of financial means :) http://www.keepandshare.com/doc/2536805/5800x-rm-356-rm-428-schematics-v1-0-pdf-january-21-2011-7-35-am-1-2-meg?da=y http://www.keepandshare.com/doc/2536804/5800-xpressmusic-rm-356-rm-428-sm-l1-l2-v1-0-pdf-january-21-2011-7-35-am-5-9-meg?da=y
good luck and let us know if it worked for you