My iPhone is an iPhone 6 and my service is Verizon. I have a 10 GB limit for cellular data between me and my brother that our parents set up when we both got our phones.
I have my iPhone set up to only use Wifi in my home and use cellular data when I'm outside my home away from my routers Wifi signal.
But a few days ago all of a sudden it started using up data even though I was in the house and had Wifi Assist off and LTE turned off instead of "Voice and Data" or "Voice".
Before with my usual set up my used data would not go up while in my home because it was connected to the Wifi and went up if I used data related stuff outside it.
Now its going up both at home and outside.
How do I get this to stop and get my phone working to how it was before?
Read more: My iPhone keeps using cellular data even with Wifi Assist and LTE turned off?