Iphone Software Update Verification Failed. This will thereby fix iPhone software update failed error. The following steps will lead an easy way to fix iPhone stuck on the verifying update issue without data loss.
Try installing the update again to see if you encounter any problems. Open Settings on your iOS device. After few seconds again turn on and retry the iOS update.
Wrongly changing a network setting could also be the cause of iCloud verification failed and to fix this simply reset your iPhones network settings by going to Settings Reset Reset Network Settings.
On Mac click on the Apple Logo in the menu bar and select System Preferences followed by Software Update. Follow the instructions to install any available updates. Otherwise there could be a bug and then cause Apple ID verification failed on iPhone and iPad. Wrongly changing a network setting could also be the cause of iCloud verification failed and to fix this simply reset your iPhones network settings by going to Settings Reset Reset Network Settings.