I stumbled upon a fix that allows text messages from Vodafone New Zealand to appear when you miss a call and someone leaves a voice message. The fix has been tested with iPhone firmware version 1.1.1.
- Open Installer, and add the following source if not already there -
- Choose the Unlocking Tools category.
This fix was a frequently asked questions titled SMS received from internet is scrambled/not working? at iphone.unlock.no.