It doesn't require you to erase your settings and contents [1]. You only have to do that if you want to revert or something goes wrong. It's actually very easy

It doesn't require you to erase your settings and contents [1]. You only have to do that if you want to revert or something goes wrong. It's actually very easy to install without a jailbreak. [1] http://www.itweakios.com/apps/blog/show/26861181-updated-at-t-hacked-carrier-update-for-iphone-and-ipad http://www.itweakios.com/apps/blog/show/26861181-updated-at-...