Disabling EDGE & 3G on the iPhone
Disable EDGE/3G data on iPhone in 5 steps
If you have an iPhone but didn’t get a data plan be in for a shock after you see your bill. When out of range of a Wi-Fi access point, the iPhone will automatically connect via EDGE/3G periodically incurring expensive charges. Usually 5 cents per kilobyte. Here is how you disable it.
1. Launch Safari on your iPhone
2. Go to iphonenodata.com
3. Tap the “Disable EDGE/3G” button
4. Tap “Install”
5. Tap “Install Now” to confirm
September 28, 2008