iPhone data not working

Zay1111 Said:

"iPhone data not working: turn my data off because of in update and now won’t even let me update it"

-------

"No Service":

Looking on the top-left corner on your screenshot, is "No Service" shown. If so, see this link, for more on troubleshooting this: If you See No Service or Searching on your iPhone or iPad - Apple Support

Zay1111 Said:

"iPhone data not working: turn my data off because of in update and now won’t even let me update it"

-------

Updating an iPhone:

A. What to Update:

Update Installed Apps along with the iOS.

B. Determining if an iOS Update will Install:

How to do so...

I. Verify Compatibility:

Identify your iPhone model. The first thing that comes to mind in incompatibility being the culprit. So, confirm the model of your iPhone. If iPhone model is incompatible with iOS15 then it is because you iPhone does not meet the hardware requirements for this iOS version(s).

II. If Compatible...

1. Back Up First:

IMPORTANT: If you have an option to update, however, then be certain you backup your iPhone first. That way, you will have something to restore your iPhone from should anything go wrong with the update

then...

2. Proceed with the Update:

Use my User Tip:  Update your iPhone Using a Computer - User Tip