Cellular update is required to use mobile data

Hello Fahaddin,

It sounds like you are receiving a cellular update failed alert. We understand how concerning this is and we are here to help.

You were reviewing a helpful article. Did you complete all of the recommended steps in the section titled "What to do next?"

If you completed all of those steps, did you reach out to Apple Support?

If not, reaching out to Apple would be the best option. You can contact them here: Get Support

Cheers!