Cellular Data Not Working After iOS 11 Update,How to Fix?

Are you having issues with your data connection, such as cellular data not working or cellular data network missing on your iPhone after an iOS 11 update? Sometimes software problems can happen after an update, and this can cause cellular data problems. Let's explore some ways to fix this issue.

Note: If you are interested in upgrading your iOS device to iOS 11, please refer to iMyFone's guide on upgrading to iOS 11.

What Common Cellular Data Issues Might You Encounter After the iOS 11 Update?

Updates can cause a lot of unexpected problems, but that's just part of working with technology. Some of the network problems you might get when you update to iOS 11 include:

  • Some apps can't use network data.
  • Some iOS features are using up tons of data (when they didn't before).
  • Your iPhone could not activate cellular data network at all.

Then how do you fix cellular data issues after the iOS 11 update? Well, there are a few different methods you can use to fix this issue of cellular data not working. Here are 5 ways to address the problem. Try each one and see if they work:

Method 1 – Turn on Cellular Data on Your Device

First, make sure that you cellular service is even working. To do this, go to Settings > Cellular (or Mobile Data), then look to see if your cellular data is off. If it is, tap the switch to turn it on. Also, make sure that mobile data is enabled for the individual apps, too. You can check this by scrolling down and looking at the list of apps on this same screen.

turn on cellular data

Method 2 - Reset Network Settings and Restart Your Device

(1) On your iPhone, open Settings.

(2) Tap General.

(3) Tap Reset.

(4) Tap Reset Network Settings.

(5) Put in your passcode to confirm.

(6) Go back to the Home screen.

(7) Press and hold the Power button and turn the device off.

(8) Wait for roughly 10 seconds, and then press the power button to turn your iPhone back on.

reset network settings

Please not that resetting your network settings will erase all of your saves WiFi passwords.

Method 3 - Check Cellular Carrier Update

On occasion, the network carrier itself will release software that will help your iPhone to be more compatible with the network. To check if there are any updates like these, go to Settings, then tap General, then tap About. If there's an update there, install it.

Method 4 – Reinstall iOS 11 on Your Device With iMyFone iOS System Recovery

If nothing else seems to have worked so far, you could try reinstalling the whole operating system. Using a tool like iMyFone iOS System recovery is the best way because it will fix various problems with your system and reinstall the latest firmware version that your device needs. It does this all pretty much automatically to save you time. Features of iMyFone iOS System Recovery include:

iMyFone iOS System Recovery (iOS 11 Supported)

    • Fix issues on just about any iOS device, such as iPhone 7, iPhone 6s, iPhone SE and all the iOS devices before.
    • Automatically repair many different software issues, such as iPhone being stuck in Recovery mode, black screen, reboot looping and more.
    • Get your iPhone to work normally again in just a few clicks.
    • Fix problems caused by iOS 11 update or iOS 10 update.

Try It FreeTry It Free

How to Reinstall iOS 11 on Your Device With iMyFone iOS System Recovery

Here is a quick guide on how to reinstall iOS 11 easily on your iPhone (or other iOS device) using iMyFone iOS System Recovery:

(1) Plug your phone into your computer and open iMyFone iOS System Recovery.

(2) Choose Advanced mode, then put your phone into DFU mode or Recovery mode. You can do this by holding down the Sleep/Wake button and the Home button at the same time.

Choose advanced mode

For DFU mode, let go of the Sleep/Wake button after about 10 seconds, but keep holding onto the Home button for another 5 seconds.

DFU mode

For Recovery mode, keep holding onto to both buttons until you get the "Connect to iTunes" icon.

Recovery mode

(3) System Recovery will now automatically detect what firmware you need. Click Download to download it.

download firmware package

(4) Now the application will automatically reinstall iOS 11. Do not unplug your device until it is finished.

fix iOS system

Method 5 – Downgrade iOS 11 to Previous iOS Version

Sometimes downgrading to a previous iOS version can help, if nothing else works. You can do this by following the directions in this link:

How to downgrade iOS 11 to iOS 10?

Sometimes cellular data issues can happen after you upgrade to a new version of iOS. There's no need to be alarmed, though. You can easily fix these issues in most cases. If none of the advice above works, however, then you might consider contacting your network service provider or even Apple.