If your Wi-Fi signal gets weak, the iPhone automatically shifts to the phone
carrier service. You can eat up your data limit fast.
One man got a monthly bill for $2,000. Normally, it was $250.
This is the default setting for iOS 9.1. It's called Wi-Fi Assist.
To turn it off, go to:
- settings, then cellular, then down at the bottom users can switch off the feature.
This is a land mine. De-fuse it.
The story is here: http://www.moneytalksnews.com/cautionary-tale-this-iphone-feature-led-2000-monthly-bill