iPhone 11 is not connecting to LTE network

Balmoralman wrote:

I can make and receive calls. I have tried resetting network settings, turning airplane mode on and off and none of these work

Do you use VPN? If so, delete the VPN profile in Settings/General/VPN & Device Management/VPN. Don't just turn it off; delete the profile.

“iPhone 11 is not connecting to LTE network: My iPhone 11 will not connect to LTE network, I also have an iPhone XR on the same network and there’s no problem connecting with the XR”

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Update your iPhone 11 to iOS 18:

You can update you iPhone through I WiFi, or through Ethernet, by using a computer update. Updating through Cellular is not a feature your your iPhone Model. It may just fix a few bugs.

A. Update Using a Computer:

Have a Computer Handy? If so, try using a computer to update. Go here: Update your iPhone Using a Computer - User Tip. If any updates are availabe, they will install, sure enough.

B. Connecting Using Ethernet:

If WiFi is giving you issues on the computer, then connect through Ethernet, going directly into your router. For a Mac (or PC) that does not have Ethernet, this would be the adapter to use: Belkin USB-C to Gigabit Ethernet Adapter - Apple

Can you make and receive phone calls? If not, contact your carrier’s tech support.