iOS 10 Device Isnt Eligible for Requested Build

Whenever a new version of the iOS firmware is released, we always expect there to be trouble and iOS 10 is no different. Quite a few reports are coming in about an update error being experienced when users try to upgrade to iOS 10 download [ext link]. The error comes up as “This device isn’t eligible for the requested build” and it is causing no end of problems for users, with most not being able to get past the message to update their devices. If this has affected you, try one of these solutions.

Image : iTunes Error Device Isnt Eligible for Requested Build

ios 10 device isnt eligible for requested build

Fix iTunes Device Isnt Eligible for Requested Build :

  • Update iTunes

Do make sure that you are using the latest iTunes version. To find out, open iTunes, click on the Help menu and then on Check for Updates. If an update is available, follow the instructions on the screen.itunes update mac

  • Update your Operating System

Whether you are using a Windows PC or a Mac on OS X, you do need to keep it regularly updated. Check whether there are any outstanding OS updates to be done on your system and, if there are, do them.macos el capitan update appstore

  •  Check your Antivirus Software

It could be that your security software or antivirus software is interfering with iTunes. If it is, try updating the software to the latest version. If that doesn’t do the trick you may need to disable it temporarily while you update your device. In rare cases you will need to uninstall it altogether – you can reinstall it after the update. antivirus disable

  • Restart

Reboot your computer and reboot your iOS device. Try updating again to see if the error has been fixed. slide_to_power_off

  • Unplug USB Devices

Some people tend to have several USB devices plugged into their computers at once. Unplug anything that is not needed for the update leaving just your mouse, keyboard and iOS device plugged in osx mavericks usb bootable download

  • Hosts File

There could very well be an issue with the Hosts file interfering in communications between the Apple Servers and iTunes.

Windows :

  1. In the Run box, located on your menu bar on Windows 10 and in the Start menu on earlier versions of Windows, type in %WinDir%\System32\Drivers\Etc
  2. Click on OK
  3. On the etc file that opens, click Hosts
  4. Locate in the file and delete it
  5. Save and exit
  6. Restart your PC and try to update again

Mac :

  1. Shut down iTunes and open Terminal
  2. Type in sudo nano /private/etc/hosts and press Enter
  3. Input your login details and press Enter
  4. In the Hosts file, locate
  5. Either delete it altogether or insert a # and a space at the front of it
  6. Save by pressing CTRL+O
  7. When asked to put in a file name just press the Enter button and then exit using CTRL+X
  8. Restart your Mac and try to update again

If none of this works you can try installing iOS 10 [ext link] manually using the IPSW method. Failing that, you will have to wait for Apple to issue a further update.

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