how to change the apn on your iphone 4s or 5

NOTE: this dose NOT work on the iphone 4 sorry for that yall. this is how to change the apn settings to use data an mms on iphone with the straighttalk. this is the alternative from being jailbroke or having your phone unlocked, do note that everytime you update youll have to do this again. Apn: att.mvno mmsc: http://mmsc.cingular.com mms proxy: 66.209.11.33:80 mms max message: 1048576