How to change APN settings in iPhone iOS Beta 7

Apple have removed the ability to change the APN settings in iOS 5 beta 7 for non-official carriers. Hope they will fix it in next release, but till then how we will change our APN settings and connect to internet? Follow these steps to change your APN  Visit http://www.unlockit.co.nz/ on your iPhone Safari browser and tap on Continue button         2. Tap on Custom APN       3. Enter your APN settings in the corresponding field [...]