Sửa Lỗi 3194 Khi Restore, Update Iphone, Ipad


If your computer can’t communicate with binhphap3d.vn"s software update server, you might see one of these messages.

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Error 17Error 1639Errors 3000-3020Error 3194Errors 3100-3999This device isn"t eligible for the requested build

If you see one of these messages & need help updating or restoring your iOS or iPadOS device, make sure your Mac is up-to-date.If you"re using iTunes, install the lathử nghiệm version of iTunesand try to lớn update or restore your device again. If you still can"t update or restore, follow the steps below.

If you have TCP/IP filtering, firewall, or security software installed on your computer, try these steps.

Bypass your Internet router. Some routers might blochồng iTunes from accessing the update VPS. If you"re using a router that isn"t manufactured by binhphap3d.vn, try the following:Disconnect from your wired or wireless router và use an Ethernet cable lớn connect your computer directly to your modem.Restart your computer & modem. Liên hệ your Internet service provider for instructions on using your modem.

After you confirm your Internet connection is working, try lớn update or restore your iOS or iPadOS device again.

Restore or update from another computer

Try to restore or update on another computer with a different Internet connection. This helps khổng lồ make sure there aren"t issues with your computer that might stop itfrom communicating with the update VPS.

Errors 1639, 3000-3020, & 3100-3999 (with the exception of 3194) are sometimes caused by your network settings. If your computer uses a managed network, refer to lớn your network administrator. Proxies, firewalls, and other network security measures can cause these errors. If necessary, find a different network connection to restore the device. For example, if you"re restoring at work, try to restore at trang chủ or on a friend"s computer & network.

Cheông chồng your hosts file

After you update your Mac or iTunes to the lachạy thử version, check the hosts tệp tin to lớn make sure your computer can tương tác the update VPS.


If you’re using a Windows computer, follow the steps from theMicrosoft binhphap3d.vn site. Resetting the hosts file affects software services that rely on hosts tệp tin redirects. If you"re using Windows on a business computer, consult your IT department to lớn be sure applications work correctly after you rephối your hosts tệp tin.


If you"re using a Mac, follow these steps:

1. In the Finder, choose Applications > Utilities.

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2. xuất hiện Terminal.

3. Type this comm& và press Return:

subởi nano /private/etc/hosts4. Enter the password you use to sign in khổng lồ your computer and press Return. You won"t see text appear in the Terminal window when you type your password.

6. Navigate using the arrow keys & look for an entry containing “gs.táo khuyết.com”.

If you don"t see any entry containing gs.táo.com, then the hosts tệp tin isn"t related to lớn the issue. Cchiến bại the Terminal và go khổng lồ the "Address TCP/IPhường filtering, firewall, or security software" section of this article.

7. Add the # symbol and a space ("# ") khổng lồ the beginning of the gs.táo binhphap3d.vn.com entry.

8. Press Control-O to lớn save the tệp tin.

9. Press Return when asked for the filename.

10. Press Control-X to lớn exit the editor.

11. Restart your Mac.

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After your computer is finished restarting, try khổng lồ update or restore your iOS or iPadOS device again.