Can not update ios 13.3

Hello Jad1611.

Welcome to Apple Support Communities.

If I'm understanding correctly, your iPhone is unable to connect to data. Data is very important, and I will be glad to assist.

Please see the following resource for some steps that can help resolve this:

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

Cheers.

No, when you click on Install the phone returns with an "Unable to Verify Update" and states that I am "no longer connected to the Internet" which is not true.