Q: Problem about connect the internet after upgraded iPhone 5s to iOS 9.1

Hey Deb,

I understand that you are able to sure the web on your iPhone over your cellular data. Let's take a look to see if we can clear that up for you.

I would start with looking at your settings to ensure that your iPhone cellular data is turned on. You can try some other things like reseating your SIM card and even resetting the network settings. Take a look at the article below for more details. 

If you can't connect to a cellular network or cellular data
https://support.apple.com/en-us/HT201415

Let me know if this helps or you need further assistance. 

Take it easy

Take it east