The old mtn jumia tweak which offers you free 100mb is
now back and better I guess mtn reset all sim back to default.
I was playing with some USSD codes on my phone when I
discovered that the tweak is back. If you have mtn sim that
has already benefited from the jumia package, just pick it up
and reload it.
How to tweak it with simple server
==>I wont go deep analysing the codes.just dail *662*7# then
activate the free trial apps.
==>For those using bis, change the web.blackberry.com to

==>Injectline for andriod press enter key 4times
==>Set IP and port like this IP:127.0.0.1 port:8080
Rock till mama calls follow this steps on other sims after
exhausting the older one.
Mtn 750mb blazing like hell don't miss out

Change to wat

hmmm