I've got new sim card (prepaid) and i would like to disable the voice mail button, i did this couple years ago on a different sim with a GSM code, and since then the button is deactivate on that sim card. I dont remember which code i used for that and i cant find it again, so far whatever i tried not working... Hopefully someone here can help with this issue, coz every time im touching this button by accident its draining my credit.
PS, im trying to do so on iPhone 4s, iOS 8.2
PS, im trying to do so on iPhone 4s, iOS 8.2