iPhone 4 iOS 4.3.3 "Call Failed" issue

Discussion in 'iPhone Tips, Help and Troubleshooting' started by Tcomcp33, May 31, 2011.

  1. Tcomcp33 macrumors newbie

    Joined:
    Nov 20, 2010
    #1
    Last Friday I received this "Call failed" issue on my phone. Basicly it means that when I have 3G switched on, my phone keeps droping out from calls and gives "Call failed" note regardless if it's in- or outgoing phone call. As soon as I switch off 3G from settings and use only GSM, phone calls are completely fine.
    I have found some information that this issue is possibly caused by iOS 4.3.3 update and after some research I start to believe that it is so. I live in Finland which is very small country and because of that our service providers really provides us with service (LOL) so when I called my service provider whit this issue they booted 40 3G antennas around me and still my phone keeps doing that, it stoped for a day but started again. So obviously this issue is not with service provider.

    Now I'm wondering that will iOS 5 fix this issue? Does somebody have more information about this issue?
     
  2. kaifs macrumors member

    Joined:
    Apr 20, 2011
    #2
    did not hear of anything like this... did you try resetting your network settings first and if that fails, go for reset all settings? Granted, I am in the US, so network with at&t GSM is designed to work togethery with data/voice (unlike Verizon, which you can only do one at a time)...
     
  3. Nikoz78 macrumors newbie

    Joined:
    Jun 1, 2012
    #3
    Just go to settings, phone settings, show my caller id, wait there then press home button n go n try to make a call. Another thing, go to date & time settings in general n change set automatically to either on or off.
     

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