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Home » How to » How to Fix “Could Not Activate Cellular Data Network” Error on iPhone

How to Fix “Could Not Activate Cellular Data Network” Error on iPhone

By: Waseem Patwegar

In case your iPhone is unable to connect to network and you are seeing “Could Not Activate Cellular Data Network” Error, you should be able to fix this problem using steps as provided below.

Fix “Could Not Activate Cellular Data Network” Error on iPhone

Could Not Activate Cellular Data Network Error on iPhone

For some reason, “Could Not Activate Cellular Data Network” error is more commonly reported by iPhone users who are travelling.

In a typical case of this nature, users have no problem making calls or sending SMS messages on their iPhone.

It is only when they try to open Apps or connect to Internet using Cellular Data, that they see “Could Not Activate Cellular Data Network” Message on their iPhone.

Other variations of this error message as reported by users are “Could Not Activate Mobile Data Network” and “You Are Not Subscribed to a Cellular Data Service”.

1. Enable Cellular Data

The first step would be to make sure that Cellular Data is enabled on your iPhone.

1. Open Settings > tap on Cellular.

2. On the next screen, toggle ON the option for Cellular Data.

Enable Cellular Data on iPhone

Scroll down more on the same screen, enable Cellular Data for all the necessary Apps. To save Cellular Data, you may also want to disable Cellular Data for Apps that you do not use.

Enable or Disable Cellular Data For Apps on iPhone

After this, try connecting to internet and see if you are still getting Could Not Activate Cellular Data Network Error on your iPhone.

2. Clear VPN Profiles

Try this fix only if you are using a VPN service on your iPhone. If not, you can skip and move to the next method.

1. Tap on Settings > General > VPN.

VPN Settings Option on iPhone

2. On the VPN screen, tap on Profiles and clear everything listed under “Profiles” section.

After this Power OFF your iPhone, wait for 10 seconds and Restart iPhone.

3. Reset Network Settings

The most common solution that works well for this problem is to “Reset Network Settings” on your iPhone

1. Tap on Settings > General > Reset.

Reset Option on iPhone General Settings Screen

2. On the next screen, tap on Reset Network Settings option.

Reset Network Settings Option on iPhone

3. Go back to General screen, scroll down to the bottom and tap on Shut Down.

Shut Down iPhone using Settings

4. Wait for about 10 seconds and Power ON your iPhone by pressing the Power button on your iPhone.

After this try to connect to the internet and see if you are able to connect to Cellular Network on your iPhone.

4. Fill in APN Info

1. Tap on Settings > Cellular > Cellular Data Options.

Cellular Data Options Tab on iPhone

2. On the next screen, tap on Cellular Data Network.

Cellular Data Network Tab on iPhone

3. On Cellular Data Network screen, tap on Reset Settings.

5. Update Carrier Settings

It is possible that your Carrier has released an Update, in order to fix connectivity problems arising after an iOS update.

1. Tap on Settings > General > About.

About Tab on iPhone General Settings Screen

2. On the next screen, see if an update is available from the carrier and install the Update (if available).

6. Factory Reset iPhone

If nothing works, you may have to Factory Reset iPhone.

Factory Reset will erase all the data on your iPhone. Hence, make sure that you download a backup copy of your iPhone on computer using iTunes.

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