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just change your settings to this following setting
APN:-web.gprs.mtnnigeria.net
IP:- 209.085.129.099
PORT:-80
HOMEPAGE:- wap.mtnonline.com/gwt/n
Save and open ur homepage it'll direct u to aurl box just enter your adress and click go. For further in fomation mail me on oladipoyinka@gmail.com ,also you can chat with me on yahoo chat just add david_john1232002@yahoo.com to talk to me