iOS 11 Tips

How to Fix Cellular Data Not Working After iOS 12.1.1/12.1/11 Update

"Why isn't my cellular data working on my iPhone 7 after updating to iOS 12.1.1? My iPhone keeps displaying no service. I tried everything I can but still doesn't work. How to fix cellular data doesn't work?"

iOS 12 brings many amazing features to improve the users experience but also carries some problems. Many iPhone users complained that they could not activate cellular data network on iOS 12.1.1/12.1/11. The reason for this issue is usually related to some software conflicts and you can get it fixed easily with the following methods.

Tip: This article also works to fix iOS 12.1.1 mobile data connection issue and jio data issue (apps not opening).

Method 1. Disable and Enable Cellular Data

Some people encountered cellular data not available for voice call or not working for some apps on iOS 11/12, the easiest fix is to turn it off and then turn on again. To do this, go to Settings -> Cellular ->Cellular Data. Tap the switch to turn it off. Then tap the switch again to turn it on.

enable cellular

Solution 2. Check Cellular Carrier Update

The network carrier releases new update from time to time to improve the network compatibility with your iPhone. You can go to Settings -> General -> About to check if there's a new update.

update carrier

Solution 3. Turn On & Off Airplane Mode

Go to "Settings" and turn on "Airplane Mode" and then disable it. Then the device will start searching for network signals.

turn on airplane mode

Solution 4. Restart iPhone

If the above tips failed to fix no internet connection after iOS 12/11 update, try to restart your iOS device. Hold down the on/wake button and Home button until the Apple logo appears.

For iPhone 7 and later, hold the volume down button and the Power button at the same time.

For iPhone X/8/8 Plus users, press and release Volume Up button, and then Volume Down button. After that, hold the Power button for some time.

force restart iphone

Solution 5. Reset Network Settings

Open Settings, tap General -> Reset. Choose "Reset Network Settings" and confirm the operation. Enter the passcode if it prompts. Then go back to the Home Screen, press the power button for seconds to turn off your device. Wait for about 10 seconds, turn it on.

reset network

Solution 6. Repair iPhone System to Fix Cellular Data Now Working

Well, if there's still no service or searching on your iPhone/iPad, try to repair iPhone system with Tenorshare ReiBoot. This professional iOS system recovery software is able to fix a lot of system issues by installing the latest iOS firmware again on your device. What is more, your data won't be erased after system recovery.

Free Download For Win 10/8.1/8/7/XP
Secure Download
Free Download For macOS 10.14 and below
Secure Download
  • Download and install Tenorshare ReiBoot on your Mac or PC, connect iPhone to computer. Click Repair Operating System (Fix All iOS Problems). Once the device is detected. You will see an interface below.
  • reiboot
  • Click Start Repair and the software will list the latest iOS firmware for you to download. Please download the matching firmware for your device.
  • download firmware package
  • Once the firmware is downloaded successfully, click "Start Repair" to recover iPhone system.
  • fix cellular data not working

The Bottom Line

This article tells you how to fix iPhone cellular data network not working in iOS 12.1.1/12.1/11. If you've encountered other similar problems after updating to iOS 12/11, such iPhone cellular data settings missing, Wi-Fi stop working etc. check Top iOS 11 Update Problems and Fixes and Top iOS 12 Update Problems and Fixes.

Free Download For Win 10/8.1/8/7/XP
Secure Download
Free Download For macOS 10.14 and below
Secure Download

/ Posted by Jenefey Aaron to iOS 11 Follow @Jenefey Aaron