What is error code 4000?
While trying to update the software on my iPhone 6 i got the error code 4000. What's the problem?
Windows, Windows 6
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Error 4000 is a USB connectivity error. It can have several causes:
- You are not running Windows 7 or later
- You don’t have the correct version of iTunes, which you get from https://apple.com/itunes - the version in the Microsoft Store does not have iOS drivers
- Your USB port cannot supply at least 1 amp to the phone
- You are plugged in to a USB hub rather than a port directly on the computer (a hub with it’s own power source should be OK, however, as long as it can supply at least 1 amp)
- Your firewall or antivirus is blocking the connection to the phone - try rebooting your computer, then temporarily disabling it.