Fixing it likely entails turning the setting off and back on to establish a better connection.

If that doesn’t do it, we have some more suggestions you’re able to try.

follow along in order and stop once it’s working.

It’s possible you could’t connect to cellular data networks because you’ve turned off cellular data.

To fix that, go toSettings>Cellular> move theCellular Dataslider to on/green.

This will reset your connection and should handle the error.

Confirm Airplane Mode Is Off.Airplane Mode turns off all networking features of your iPhone.

Cellular data networks won’t be available if you’ve accidentally turned it on.

This is an easy fix:turn Airplane Mode off.

Restart iPhone.You’d be surprised how often simplyrestarting your iPhonecan fix problems.

To fix this,remove the SIM card from your iPhone and reinsert it.

Your iPhone has hidden tweaks that control how it works with your phone company connection called Carrier tweaks.

If your phone’s controls are outdated, which could explain the cellular data error.

A quickcarrier parameters update(connect to Wi-Fi) could solve it.

Update iPhone Operating System.Time to try updating your operating system.

Each new version of iOS brings bug fixes and new features.

It could be the cause of your error is fixed in the latest OS update.

If there is anupdate for your iPhone, see if your connection works once the update is complete.

You’ll lose all stored networking options and passwords when you do this.

So, you’ll need to re-pair Bluetooth devices and re-enter Wi-Fi passwords.

Call Your Phone Company.If nothing else has worked so far, it’s time to call your phone company.

Get Support From Apple.

Whether it’s a hardware or software problem, it’s time to bring in the experts.

You canvisit Appleormake an appointment for in-person support at your closest Apple Store.

What’s further confusing is that you will likely be able to make phone calls when this happens.

Basically, your iPhone and carrier (Verizon, AT&T, etc.)

FAQ

iOS gives you the option to transfer your cellular plan during your iPhone’s setup.

pick the numbers you want to transfer and tapContinue.

Then follow the onscreen instructions to finish the setup process.

To transfer your cellular plan after setup, go toSettings>Cellular>Add Cellular Plan.

Once your cellular plan is activated on your new iPhone, the one on your previous unit deactivates.

While domestic roaming is usually free, international roaming can include extra fees.

How much you pay depends on which carrier you’re using.

There are many reasons why your phone’s cellular data is slowing down.

The most common is carrier throttling.

Many plans only give you a certain amount of high-speed data each month.

Once you reach that limit, the carrier throttles your data speed.

Perhaps the internet your phone is currently on (4G, 5G, etc.)

is weaker in that area.

Radio frequencies can also interfere with cellular data.