I got a text message from AT&T this morning. It was a courtesy message to let me know that I was approaching my monthly data limit. I only signed up for the 200Mb plan so 65% of that means that I’ve used up 130Mb. How the heck did that happen?!
It turns out it’s not that hard to do… especially when you update your applications just before you leave the comfy confines of work and free wi-fi. I began the application update while connected to the wi-fi at work, but then left for home. The phone dutifully continued to update the applications over the cellular network. Ooops!
Here’s how you can prevent unintended cellular data usage on the iPhone.
- Go to the Settings on your phone.
- Choose “General”
- Choose “Network”
- Switch “Cellular Data” off.
Doing it this way means you can’t check the weather, e-mail or Facebook while you’re not connected to Wi-Fi. But it also means that your phone won’t assist you in shooting yourself in the foot.
For what it’s worth, you can turn cellular data back on at anytime if you gotta get your Facebook fix. Just be sure to turn it off again when you’re done.