Apple has issued a Carrier Update for Verizon iPhone 5 devices this evening to eliminate an issue where Verizon Cellular Data would be used while the iPhone 5 is connected to a Wi-Fi network.

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: (top right)

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.