VZW customers have an update

So it seems that not all iPhone 5 customers are equal.  There have been reported cases of Verizon customers using cellular data while on wifi.  Apple pushed a carrier settings update last night to fix the problem.  To update follow these simple instructions:

This carrier settings update resolves an issue in which, under certain circumstances, iPhone 5 may use Verizon cellular data while the phone is connected to a Wi-Fi network. Follow these instructions to install the update.

1. Tap Settings > General > About.


2. Wait for the following alert to appear:
   


3. Tap OK to install the update.


4. Hold the Sleep/Wake button down until you see "slide to power off".


5. Slide to power off.


6. After the device powers off, hold the Sleep/Wake button to turn your phone back on.

Note: To finish the installation of the update, your iPhone 5 must be turned off and then on again.

After your iPhone restarts, tap Settings > General > About, then scroll down to Carrier and verify that "Verizon 13.1" is displayed.

Verizon also published a statement on The Loop stating these customers will not be charged for this data usage.

“Under certain circumstances, iPhone 5 may use Verizon cellular data while the phone is connected to a Wi-Fi network,” Verizon said in a statement provided to The Loop. “Apple has a fix that is being delivered to Verizon customers right on their iPhone 5. Verizon Wireless customers will not be charged for any unwarranted cellular data usage.”