Help for 3G "No Service" problem

Discussion in 'iPhone Tips, Help and Troubleshooting' started by RipTide1024, Feb 26, 2009.

  1. RipTide1024 macrumors newbie

    Nov 6, 2008
    Normally, 3G will work just fine, but every now and then it seems to be unable to find service and shows "No Service" in the top left on the status bar. When this happens, I can switch 3G off and get service again, but only on Edge. When switched back to 3G, the phone goes back to "No Service". As far as I have been able to tell, only a reboot will regain 3G access again.

    I have a sneaky suspicion that the problem is my Volkswagen iPod connector. Through the various OS releases on the iPhone, the connection to the stereo has worked in varying degrees, and I think it's because it was not really designed for an iPhone. It asks me every time I plug it in (sometimes twice) if I would like it to go into airplane mode (I always reply 'no'), but I'm suspecting that the code that does that check in the iPhone is not as stable. This is just a suspicion, though... no proof. I'm going to not connect my iPhone to it for the next few days to see if that has any effect on the "No Service" problem.

    If anyone has any other suggestions as to what could cause it or have experienced this issue, I'd love to hear about it... maybe we can find a set of common circumstances that cause it.
  2. DPA macrumors 65816


    Please let us know how the test goes.

    You can try a Restore. The iPod Connector may have messed something up. As most know, the 3G network is still very iffy in terms of good connection. The problem could have nothing to do with you and be something on AT&T's side like a full spectrum.

  3. Vandam500 macrumors 68000


    Sep 29, 2008
    The same thing happens to me sometimes. If it loses 3G signal then it stays at "No Service" or "Searching". As soon as I turn off 3G I get full bars of edge and as soon as I turn 3G back on I get full 3G bars. I don't know if the culprit is Apple or At&t :(
  4. RipTide1024 thread starter macrumors newbie

    Nov 6, 2008
    I have had some luck with resolving this, but I'm currently on the beta 3.0 OS which has finicky 3G support anyway (all those baseband crashes), so I can't say whether this works on the Beta OS.

    My resolution before I switched to the Beta 3.0 was to do a complete restore of the base OS without re-loading the last backup. I just manually added applications, contacts, etc back in. It was a pain in the butt, however I ran it a good 2 months that way without experiencing further issues before I started running the beta versions. I have a feeling it was something in restoring the backups that was messed up (restore procedure or the actual backup I'm not sure... but probably with the data / settings contained in the backup itself), but there was a lot there, so I can't pin it on any one thing.

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