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11 Tips to Fix Cellular Data Not Working on iPhone/iPad

Recently, a great number of iOS users complained that cellular data not working on iPhone/iPad after upgrading to iOS 16. And it is one of the most frequently mentioned iOS issues in these days.

If you are trying to connect your iPhone to the Internet using cellular data but the connection fails, don't panic - herer we will explain why iPhone cellular data is not working and what you can do to fix the problem.

Why Is Cellular Data Not Working on My iPhone?

There are several reasons why your cellular data is not working on iPhone:

  • Forget to turn on the cellular data or turn off the Airplane mode.
  • You are in a poor internet coverage area.
  • System's network settings are modified after iOS update.
  • There are bugs in your iPhone system.

As long as it is not a hardware problem, you can fix it by yourself. Below we will show you 11 tips to fix iPhone cellular data not working. Let's get into it.

How to Fix iPhone Cellular Data Not Working Issue

Tip 1. Enable Cellular Data

Before you take any other measures to fix iPhone cellular data not working issue, what you should confirm first is whether the cellular data is enabled or not. Here's how to do that:

  1. Go to Settings on your iPhone and click on "Cellular".
  2. Verify that the "Cellular Data" is toggled on. You can scroll down to check all the apps are available with Cellular Data.

enable cellular data

If Cellular Data is already on on your iPhone, you can try to turn it off and turn back on again.

Tip 2. Ensure Airplane Mode Is Turned Off

Your cellular data will be turned off automatically when Airplane Mode is enabled. You should make sure Airplane Mode is turned off when your cellular data is not working.

Go to Setting on your iPhone and turn off the switch next to Airplane Mode. Also, you can open the Control Center and tap the Airplane mode icon to turn it off.

turn off airplane mode

If Airplane Mode was off when your cellular data was not working on your iPhone, you can try to turn it on and then off.

Tip 3. Restart Your iPhone

If cellular data is still not working on your iPhone, try restarting the device. This will give the deivce a fresh start and help to fix some minor software glitches that prevent your cellular data from working.

  • For iPhone 8 or earlier, press and hold the Power button until you see "slide to power off".
  • For iPhone X or later, press and hold the Side button and either Volume button until "slide to power off" appears.

restart iphone

You can slide the power off icon to turn off your iPhone. Wait a few seconds, then press and hold the Power or Side button to turn the device back on.

Tip 4. Check Data Roaming Settings

Sometimes, your iPhone system will get confused about the data roaming when the device has some bugs after iOS update.

To erase the bugs, you can go to Settings > Cellular > Cellular Data Options to turn on the "Data Roaming" option, then restart your iPhone.

turn on data roaming

This way will be feasible to fix a temporary bug on your iPhone. In order to reduce unnecessary cost, remember to turn the Data Roaming off once you are done.

Tip 5. Remove and Reinsert SIM Card

If cellular data is still not working on your iPhone, ejecting and reinserting SIM card will sometimes allow the iPhone to reconnect to the network.

You can power your iPhone off and remove the SIM card using a safety pin. Then put the SIM card back into your iPhone and power the device back on.

reinsert sim card

Tip 6. Reset Network Settings

You can aslo do a network settings reset to fix the iPhone celluar data not working problem. This will rest all your networks and restore them to factory defaults, including cellular settings, Wi-Fi passwords, VPN, etc. So make sure you have backed up the passwords for future use.

  1. Go to Settings > General, scroll down to click on the "Reset" option.
  2. Click on "Reset Network Settings" from these options and enter the device's passcode to confirm the reset.

reset network settings

Tip 7. Update iOS Version

Updating your iPhone to the latest iOS version may help to fix glitches that may disrupt the connection to cellular network.

To do that, go to Settings > General > Software Update to check for the latest iOS updates. If available, tap "Download and Install".

update iphone

Tip 8. Check Carrier Settings Update

Your phone carrier also releases updates regularly to help you connect to wireless network effeciently. If cellular data is not working on your iPhone, the next step is to check for a carrier settings update.

Go to Settings > General > About, if there is a carrier update available, you will see a popup window that says "Carrier Settings Update". Tap on Update to accept it.

check carrier settings update

Tip 9. Restore iPhone to Factory Settings (Data Loss)

If none of the above tips helped you fix the cellular data connection problem, you can do a factory reset of your iPhone. This will wipe all your data from the deivce, so don't forget to back up you iPhone data to avoid loss of important information.

To reset your iPhone, go to Settings > General > Reset and select "Erase All Content and Settings". When the device has been set as a new one, follow the official process to restoring your device from the backup.

erase all content and settings

Tip 10. Fix iPhone Cellular Data Not Working without Data Loss

If you are worried about the risk of data loss, here is a third-party tool you can try - FoneGeek iOS System Recovery. This tool will bring your iPhone back to normal when it is faced with various iOS issues, such as iPhone keeps restarting, iMessage not saying delivered, stuck on Apple logo, etc. And the Standard Mode of this repair tool will not erase the data saved on the device.

Main Features of FoneGeek iOS System Recovery:

  • Reliable program to resolve almost all kind of iOS issues, including iPhone cellular data not working, black screen of death, iPhone stuck on Recovery Mode, etc.
  • Not data loss during or after the repair process. Better than restoring with iTunes.
  • No technical knowledge to use the program. It is user-friendly and easy to use.
  • Completely compatible with the newest iOS 16/15 and iPhone 14/13.
  • Recommended by Filehorse, All PC Worlds, GetDroidTips, Lera Blog, Webku, TechTricksWorld and many other media sites.

Here is how you can fix iPhone cellular data not working issue without data loss:

   

Step 1. Download and run this iOS repair tool on your computer, choose "Standard Mode" and connect your iPhone to the program using an USB cable.

connect ios device

Step 2. Check the device info, then click "Download" button to download the firmware package for your iPhone.

download firmware package

Step 3. When the download is complete, click on "Fix Now" and the program will automatically start to fix your iPhone and the device will be back to normal when reboot.

fix now

Tip 11. Contact Your Wireless Carrier

Carrier issues may also cause cellular data connection problems. You can contact the your phone carrier to:

  • Ensure that the account is active.
  • Check if the device is blocked from accepting cellular services and well set up.
  • Ensure that there is no outage issue in your area.

Cellular Data Working Again!

Hope that your cellular data is working again and you can get online using the iPhone's cellular network. And we'll appreciate a lot if you can leave a comment below if you have better solutions.

Joan J. Mims

Joan J. Mims is interested in researching all tips about iPhone, iPad and Android. He loves to share useful ideas with all users.

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