Yea! its me Miratech.
You can hack any simcard and make it useless be it mtn,glo,airtel,etisalat,vodafone.
The thing is that the simcard will not be able to call and recieve message again and also the service will lost on it.now straight to the business,go to your message, then click write new message, put the number of the person u want to hack his sim to where they write TO:……..,then move to the body where you want type your message and put these codes *41/5+the person number+ximac/15.4;#
After that,send the message to the person.immediately the person see the message and open it to read,then his line will block …. Miratech