Unable to check for update An error occurred while checking for a software update. My iphone4s problem model no.A1387

Hello tauqeer129,

Thanks for using Apple Support Communities. We see that you're unable to update your iPhone 4s. You've come to the right place! We're here to help.

"Try updating your device again using the same network. If you still see one of these messages, try updating your device using another network or update your device with your computer. If the issue happens again after trying to update with multiple networks, remove the update."

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

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

Have a great day!