How to Fix iPhone Cellular Data Network Failed to Activate Error

The "Cellular Data Network Failed to Activate" error that iPhone users encounter while trying to activate their cellular data network is caused by many problems and restricts internet access. While we often use it while on the move in our daily life, encountering this error restricts internet access and disables 4G or 5G internet service. If you are facing such a problem, you can reach the solution by following the suggestions below.

What is iPhone Cellular Data Network Failed to Activate Error?

This error is not the calls, but by restricting the access of 4G and 5G services, it cuts off our access to the internet. Even if we try to provide internet access over cellular data, we cannot connect to any internet environment or perform any transactions. Usually, the main reason we encounter this error is that the phone is out of date or the phone's imei registration number is copied. Of course, we can give many examples of this, not only because of them.

How To Fix iPhone Could Not Activate Cellular Data Network Error?

In order to fix this error we encountered, you can reach the solution of the problem by following the suggestions below.

1-) Check for Update

If your phone is not up to date, it can cause you to encounter many problems. To do this, check if your phone is up to date by accessing the Settings menu. If your phone is not up to date, install the latest version and check if the problem persists.

2-) Restart the phone

Any problem in the phone can cause you to encounter this error. Some software not working properly may cause the system not to work properly. Therefore, we can prevent various problems that we encounter by restarting your phone.

3-) Check Your Imei Number

Imei is known as the International Mobile Device Code. IMEI number is uploaded to each GSM phone device at the production stage. The IMEI number is the identification number of each device, it is unique and consists of 15 digits. If these unique numbers are copied to any phone, they are considered invalid and cause problems such as internet and calling. For this, learn the imei number of your phone and query it.

• Access the "General" option by opening the "Settings" menu.
• Click the "About" option on the screen that opens, check the place where "IMEI" is written and query it.

4-) Remove and Reinsert the SIM Card

Failure to read the SIM card for any reason may cause various problems in the cellular data network. For this, remove your iPhone SIM card and insert it properly again. If you have successfully performed the insertion process. You can check if your mobile data is working by waiting for 20-30 seconds.

5-) Contact the Service Provider

If you have followed the suggestions above but the problem persists, you can contact the phone service provider and explain your situation. The continuity of such problems may be caused by various hardware errors on the phone.