New simcard, no imessage

Discussion in 'iOS 5 and earlier' started by lidlund, Apr 15, 2012.

  1. lidlund macrumors newbie

    Apr 3, 2012
    I returned my iPhone 4s to the store today due to some warranty issues.

    I have my 3gs as an backup phone but i cannot send imessage from my iPhone :O

    I can send iMessage from the iPad, but not the 3gs (or not on the 3gs after i changed simcard)

    Anyone have any ideas?
  2. bob616 macrumors 6502

    Jul 12, 2008
    Try going into the iMessaging settings and turn it off and then on.
  3. lidlund thread starter macrumors newbie

    Apr 3, 2012
    Done, but no diff.

    Tried several times.
  4. ronaldmathies macrumors newbie

    Aug 12, 2010
    Go to Settings -> General -> Reset -> Reset Network Settings

    iMessage uses a combination of device id and sim card id to make the it unique, resetting the network settings solves this problem (i had the same problem)

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