How to make use of mtn Normal MB On Blackberry in the absence of Subscription

.just follow d following steps:
step 1: go to options=> Device. =>Advanced system settings=>TCP/IP
step 2: Enable d apn settings
step 3: type "web.gprs
mtnnigeria. net" in d apn space provided
step 4: type "web" in both username and password space provided......
dats al