Error while updating my iPhone 6s Plus iOS

In addition to having WiFi, a cellular connection is needed to verify. If you can't get cellular working, try updating using a computer.

Click on this link for instructions on how to update your phone using a computer

Update iOS on iPhone - Apple Support

dvpoguessr wrote:

https://discussions.apple.com/content/attachment/c214ba56-c1b0-4d46-b1d9-6a62d10c7328

If your iPhone or iPad won't update - Apple Support

dvpoguessr wrote:

I’ve downloaded the update software on my iPhone 6s Plus, an error message keep popping up. Is there a solution?

What error?