I can’t update and it happened many time as picture

Hello natcharawada,

Welcome to Apple Support Communities! It sounds like you need help with veriftying the iOS update. We completely understand why you'd reach out, and are happy to help.

The following article has some information that may help you resolve this issue. If you can't update your iPhone, please try the steps in this article as they will walk you through resolving this:

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

Please have a look and let us know if this helps! 

Cheers!