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Level 1

4 points

ios update to 15.

I keep getting this error 4000 right after the backup portion of my iphone update.

Windows, Windows 10

Posted on Apr 4, 2022 10:16 AM

Best reply

Level 10

208,449 points

Posted on Apr 4, 2022 10:24 AM

See this Apple article: If you see an error when you update or restore your iPhone, iPad, or iPod

Guess you use a Windows PC, if so check als the AV & Firewall on the PC.

Disable your AV & Firewalls temporarily while you restore & update your apple device.

If they are On, turn Off Hotspot & VPN.

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