Hi so I’m trying to help someone with his phone. It’s keeps searching but won’t let me update his phone

Hello April2390,

Thank you for using Apple Support Communities. It's our understanding that your iPhone is searching and you're unable to update. You've come to the right place! We're here to help.

Use the steps in the following resource for help with connecting to your cellular network:

If you see No Service or Searching on your Phone or iPad

Review the resource below to make sure that you've followed all steps to update your iPhone:

Update your iPhone, iPad, or iPod touch

If you're still unable to update, the remaining steps in the following resource can help

If your iPhone, iPad or iPod touch won't update

Let us know the results. Please include specific error messages and any other troubleshooting steps that you may have tried.

Have a wonderful day!