I have got error “An error occurred installing iOS 14.7.1”

Use internet speed over 15 Mbps (both download and upload) speed for error free update. Avoid latching on to Hotspot or WiFi Extenders

VPN or proxy connections might prevent your device from contacting the update servers.

• Get help with over-the-air iOS updates - Apple Support

• Remove and download the iOS update again

If you still can't install the latest version of iOS, try downloading the update again:

1. Go to Settings > General > [Device name] Storage.

1. Find the iOS update in the list of apps.

1. Tap the iOS update, then tap Delete Update.

1. Go to Settings > General > Software Update and download the latest iOS update.

If you don’t see the update in the list of apps or if the issue happens again, you need to update your device with iTunes.

Try updating iOS after each step.

• Try Forget the WiFi network and add again

• Try another WiFi network 

• Toggle sets automatically off and then on

• Reset your network settings

• Force restart your device

• Remove any beta profiles, if applicable

• If everything fails: - Use iTunes or Finder (for MacOS Catalina+) to update your device instead of over-the-air

• Get help with iOS update and restore errors - Apple Support

• If you see an error when you update or restore your iPhone, iPad

Ignore the other poster, he isn’t knowledgeable. Since you previously installed a beta you still have a beta profile on your iPhone. Go to Settings > General and remove it, restart your iPhone and try again.

If you’re actually connected to reliable, fast internet but still get that error repeatedly, you may not want to keep iterating.

Ultimately, your least time consuming solution may be to backup your phone if possible and go to an Apple store to have Apple load the IOS onsite.

You have a beta profile on your iPhone and you are up-to-date with the Release Candidate (RC).

Quit spouting incorrect information, it will take about 2 minutes to remove the beta profile and restart the iPhone.

i had downloaded beta version earlier , anyone got solutions for this error , my internet speed is very high and not connected to any proxy server too , i refresh my network settings as well , still this error persist

Definitely do as deggie says, and ignore my solution, as deggie’s solution may require 1-3 hours or more, depending on what happens next, and mine may take you an hour, depending on how far you are from the Apple store.

Now, now, deggie. You assume that the install will succeed after the user follows your suggestion to remove the beta profile, which is not necessarily the case.

But if you are correct, as you certainly must be as an authorized deggie, then, as a matter of software design, Apple software should have diagnosed the beta profile as problematic and instructed the user accordingly. I realize that comment will not reach management or engineering because, as you so emphatically put it: “No Apple management or engineers are here …”

Whatever the case, I wish your user lots of luck and I am deeply sorry to have had the audacity to criticize the great and mighty Apple’s software prowess.

You really needn’t respond to me further, deg. Plenty of lost users await your help.

The install will succeed after doing that. By all means continue to show your ignorance, but since beta testing is either done by invitation or by choice and instructions are available it is not logical in publicly released software to include a beta version warning.

Thanks, deggie! It is good to know that "it is not logical" for released software to distinguish, diagnose, or handle gracefully an unusual user profile condition. And, "since beta testing is either done by invitation or by choice and instructions are available," those available instructions must be adequate, as we all know that if something is available, it is adequate.

You needn't toss more red herrings my way.

My Internet speed is well over that minimum but apples software fails. What, I need to switch routers for an apple update? Lol.

k