FaceTime for iPhone 4 Does Not Work on Some Wi-Fi Networks; Fix

The FaceTime video call feature offered by the iPhone 4 may not work on Wi-Fi networks with certain firewall settings.


This problem can generally be resolved by opening the following TCP ports:

  • 53
  • 80 (normally open anyway for web)
  • 443
  • 4080
  • 5223

and the following UDP range:

  • 16399-16472

For most routers, these settings can be accessed via the router’s configuration page—open a browser and enter the address


  1. Andreas Axiotis says

    dear all
    since yesterday I realize that facetime does not work, i tried many many times to set to ON, my iPhone inform me that i may charged extra for service, I get an info that my message delivered to +447786205094 and suddenly facetime goes off again. that happened for 10 at least times. the problem remains and of course apple charge me for a service i can not have!!! but I use to have till yesterday.
    Any solution in that without restore as new phone and of cource without loose my data?
    Best regards
    Andreas Axiotis

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  3. Amro says

    Hey guys if your phone is jailbroken install face time hacktivator from cydia by adding the source http://repo.insainlyi.com/ and u can find the app after u switch on FaceTime give it a try if it didn’t work then your ISP is blocking it use VPN to fix that issue

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