Yes 3.1. Her iPhone 3Gs arrived yesterday from Vodacom direct.
No. The only way to sort this out is to upgrade from 3.0 to original 3.1 and then jailbreak 3.1 with Custom firmware. This is what i did, and I got my Vodacom carrier logo back.
Did her iphone come with 3.0.1 or 3.1?