If your computer can’t communicate with binhchanhhcm.edu.vn"s software update server, you might see one of these messages.
Bạn đang xem: Iphone lỗi 3194 khi restore, cách khắc phục lỗi 3194 iphone
Error 17Error 1639Errors 3000-3020Error 3194Errors 3100-3999This device isn"t eligible for the requested build
If you see one of these messages và 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 latest version of iTunesand try to 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 mạng internet router. Some routers might block iTunes from accessing the update server. If you"re using a router that isn"t manufactured by binhchanhhcm.edu.vn, try the following:Disconnect from your wired or wireless router and use an Ethernet cable lớn connect your computer directly to lớn your modem.Restart your computer & modem. Liên hệ your mạng internet service provider for instructions on using your modem.After you confirm your mạng internet connection is working, try khổng lồ update or restore your quả táo or iPadOS device again.
Restore or update from another computer
Try to lớn restore or update on another computer with a different mạng internet connection. This helps to make sure there aren"t issues with your computer that might stop itfrom communicating with the update server.
Errors 1639, 3000-3020, and 3100-3999 (with the exception of 3194) are sometimes caused by your network settings. If your computer uses a managed network, refer to your network administrator. Proxies, firewalls, và other network security measures can cause these errors. If necessary, find a different network connection khổng lồ restore the device. For example, if you"re restoring at work, try to lớn restore at home or on a friend"s computer và network.
Check your hosts file
After you update your Mac or iTunes to the latest version, check the hosts file to make sure your computer can tương tác the update server.
Windows
If you’re using a Windows computer, follow the steps from theMicrosoft tư vấn site. Resetting the hosts tệp tin affects software services that rely on hosts tệp tin redirects. If you"re using Windows on a business computer, consult your IT department khổng lồ be sure applications work correctly after you reset your hosts file.
Mac
If you"re using a Mac, follow these steps:
1. In the Finder, choose Applications > Utilities.
2. Xuất hiện Terminal.
3. Type this command & press Return:
sudo nano /private/etc/hosts4. Enter the password you use lớn sign in to lớn your computer và press Return. You won"t see text appear in the Terminal window when you type your password.
If you don"t see any entry containing gs.binhchanhhcm.edu.vn.com, then the hosts tệp tin isn"t related lớn the issue. Close the Terminal và go lớn the "Address TCP/IP filtering, firewall, or security software" section of this article.
6. Showroom the # symbol and a space ("# ") to lớn the beginning of the gs.binhchanhhcm.edu.vn.com entry.
7. Press Control-O khổng lồ save the file.
8. Press Return when asked for the filename.
9. Press Control-X to exit the editor.
10. Restart your Mac.
After your computer is finished restarting, try khổng lồ update or restore your tiện ích ios or iPadOS device again.
