Hello IphoneFrustration11,
It looks like you joined the Apple Support Communities from the following page: How to set and change alarms on your iPhone - Apple Support. However, for the issue you're experiencing, we have a few more details that can help for the problem you're encountering.
To help with the Wi-Fi issue you're experiencing, check out and follow the information on this page: If your iPhone or iPad won't connect to a Wi-Fi network - Apple Support. It offers guidance for what to do if you need help with connecting to Wi-Fi on your iPhone or iPad.
Also, verify that the cellular data settings are correct on your iPhone. You can look over the setting here to compare: Connect iPhone to the internet - Apple Support.
If you get Wi-Fi connected but still not cellular data, reach out to your cellular provider, as they are the ones that provide you with your cellular service.
We hope this information helps you out.
Cheers!