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iMessage via 3G when connected to wifi?

570 Views 7 Replies Latest reply: Jul 31, 2013 11:20 AM by Zathrak RSS
Zathrak Level 1 Level 1 (0 points)
Currently Being Moderated
Jul 13, 2013 8:56 PM

So here's the deal. We have to use AT&T's 3G Microcell in our house because our AT&T service kind of ***** inside. Granted, we can usually get 2 intermittent bars of LTE on our iPhone 5's, it's never consistent, often reverts to 4G, and more often drops calls. Sometimes texts fail, the list goes on. When home, we obviously connect to our home wifi for data because 3G also *****, but at least calls are usually ok (for the week we've been testing). I find that when we're connected to the Microcell, text messages or in our case iMessage's don't seem to go through the same way. It seems that even if we're connected to wifi, and even if we're sending an iMessage (or text), it's going over the 3G connection. I don't recall this ever being the case. Why/how would an iMessage go through via 3G even when you're connected to a wifi?

iMac (27-inch, Late 2012), OS X Mountain Lion (10.8.2), 3.4GHz Intel Core i7, 16GB RAM
  • ChrisJ4203 Level 7 Level 7 (26,570 points)
    Currently Being Moderated
    Jul 13, 2013 9:03 PM (in response to Zathrak)

    What makes you think that it is using 3G versus wifi? If you have a wifi connection and it is showing the wifi fan in the status bar, you would be using  wifi.

  • ChrisJ4203 Level 7 Level 7 (26,570 points)
    Currently Being Moderated
    Jul 13, 2013 9:21 PM (in response to Zathrak)

    That does not necessarily mean that it is using 3G, except when it fails to send. Remember, to send an iMessage, both the sender and receiver have to be on iDevices, and have to have iOS 5 or above. The most important part is they both have to have an active data connection. If that does not happen, then if the Send as SMS is checked, the message can go through as a regular SMS, and that would count against your monthly carrier SMS allotment. Any interruption in the data connection can cause the iMessage to fail, and if the recepient does not have a good data connection, it can cause it to seem like the message is taking longer to go through, or it seems to "hang" right before the end. When it reads as Sent via text, it just means the iMessage failed, not that your wifi failed.


    When you are connected to wifi, can you access the Internet with Safari? There are several troubleshooting steps you can try. Start by rebooting your router. Then on the phone, go into Settings, Messages and make sure that iMessage is activated. Then you can do a reset on the phone. This will not affect data. Hold the sleep/wake and home buttons together until you see the Apple logo and then release. After the phone reboots, check to see if it is working. You can also review this support document for troubleshooting Messages.

  • ChrisJ4203 Level 7 Level 7 (26,570 points)
    Currently Being Moderated
    Jul 13, 2013 9:39 PM (in response to Zathrak)

    It was not evident in your original post that you had performed any troubleshooting. Also, the message is not going through as an iMessage if it is sending as a text.


    I use an AT&T Microcell, a home wifi network, and have also used iMessage since it was introduced. I have never experienced difficulties in sending iMessages from my home unless there were connection problems with the recipient of the iMessage.


    Since you are seeing this situation all of the time, and at home, I agree it is something there. Have you tried to disconnect the Microcell temporarily and see if the iMessage will send via wifi? What settings do you have in iMessage as far as send and receive is concerned for the two of your devices? Have you tried turning iMessage off, waiting a short period of time and then turning it back on again to see if it activates and then performs as it should?


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