http://forums.androidcentral.com/samsung-galaxy-s4/312669-cannot-get-my-s4-connect-my-wifi-home.html

http://www.technobezz.com/fix-wi-fi-connection-problem-samsung-galaxy-s4/

http://www.guru3d.com/news-story/samsung-acknowledges-galaxy-s4-wi-fi-connection-problem.html

http://comterman.tistory.com/815

http://k.auction.co.kr/ShoppingGuide/GuideView.aspx?noGuide=494628&category=50210212&itemNo=A557901190

http://www.androidpub.com/1957838

http://www.netiskorea.com/atboard_view.php?model=&grp1=support&grp2=qna&uid=189&keyfield=all&keyword=&page=959

http://www.anygate.co.kr/pub/bbs/content.asp?table=bbs_02&page=1&startpage=1&multi=bbs_after&search_1=&keyword_1=&list_pagesize=20&list_file=/pub/bbs/default.asp&idx=376

http://iptime.com/iptime/?page_id=67&uid=7389&mod=document

http://www.anygate.co.kr/pub/bbs/content.asp?table=bbs_01&multi=bbs_faq&idx=311&visited=40229&page=1&startpage=1&search_1=&keyword_1=&list_pagesize=20&list_file=/pub/bbs/default.asp

http://2cpu.co.kr/bbs/board.php?bo_table=QnA&wr_id=366711