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Fix: iPhone Could Not Be Updated Error 4000 – iTunes

iPhone Could Not Be Updated Error 4000 iTunes

If you are trying to update your iOS device (iPhone or iPad) using iTunes, you may receive an error message after the iOS update downloads and attempts to install to your device.

 

The iPhone “” could not be updated. An unknown error occurred (4000).

 

The error most likely indicates your iPhone is already updated with the version of iOS iTunes downloaded. Verify this on your iPhone and attempt the updated using your iPhone by going to Settings -> General -> Software Update.

 

It is also possible your iOS device locked with a passcode during the beginning of the installation in iTunes and this caused the update to fail.

If you still want to update your iOS using iTunes, ensure you are using the latest version of iTunes from Apple. Reboot your iOS device and attempt the update through iTunes again by plugging your iOS device into your computer.

 


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Comments

m c asthana on Sunday, 06 January 2019 01:11

unable to reset passcode from phone

unable to reset passcode from phone
m c asthana on Sunday, 06 January 2019 01:10

i have iphone 8 plus. unable to update on phone as apple id password not being accepted. same accepted on my pc

i have iphone 8 plus. unable to update on phone as apple id password not being accepted. same accepted on my pc
Hiro on Sunday, 16 December 2018 21:47

How can I update my iPad that passcode still using but no chance to enter the system (that means when I press power button, it's always showing recovery mode) :'( ?

How can I update my iPad that passcode still using but no chance to enter the system (that means when I press power button, it's always showing recovery mode) :'( ?
Rhonda James on Friday, 23 November 2018 01:06

exactly what the problem was. passcode

exactly what the problem was. passcode
joohn on Wednesday, 12 September 2018 10:43

im still getting 4000 error even after i put in the passcode

im still getting 4000 error even after i put in the passcode
James Rivington on Monday, 23 July 2018 12:41

Thank you! Thank you! Thank you! Yes to all the comments above about the software "kiddies". Very polite compared to what I might say.

Thank you! Thank you! Thank you! Yes to all the comments above about the software "kiddies". Very polite compared to what I might say.
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Wednesday, 24 April 2019