Iphone on simple mobile mms fix?

[masetas]

I connected and iphone for my cousin on simple mobile everything works except for mms. I know that to be able to receive mms you need to have data working and data does work i know because he wont get off of youtube. So whats up with the mms. I entered the following settings to make it work but for some reason its not working can anyone tell what im missing or what im wrong in?

Cellular Data
Select Settings.
General Settings.
Select Network.
Select Cellular Data Network.
Select APN.
APN: simple
Username: Blank ----(This does mean to leave it blank right?)
Password: Blank

MMS
SAPN: simple
Username: blank
Password: blank
MMSC: http://smpl.mms.msg.eng.t-mobile.com/mms/wapenc
MMS Proxy: 216.155.165.50:8080
MMS Message Size: 1048576
MMS UA Prof URL:http://www.apple.com/mms/uaprof.rdf


TIA !!!!