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SIM Card issues with iPhone 4

Is anyone else having issues with the iPhone 4 all of a sudden telling you that there is "no SIM card installed"? Mine has done it ohhhh probably 20 times since I activated it at 5pm and as I type this it has now done it AGAIN!! GRRRRR this is the ONLY thing ******* me off about my new iPhone!! Anyone have any suggestions? I have never came across this issue & I REALLY DONT want to try to go into Apple tomorrow since it is the "official" release!!

Posted on Jun 24, 2010 1:05 AM

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137 replies

Jun 24, 2010 2:10 PM in response to penx

I went and got a new SIM card & that helped for ohhhh about 2hrs so then I said forget it and went to Apple, Needless to say I left there with a whole new phone. I think that it is something with the SIM card slot being slightly too big. But Apple was AWESOME and I went in and was out of there in about 20 min. I DIDNT have to wait in that line or anything!!! Good luck to all! My iPhone is now working GREAT!

Jun 24, 2010 8:09 PM in response to Shar869

Same problem here. During the day it would pop up that message a few minutes after being on. If I shut the phone off and back on it would always recognize the sim for a little while and then that message would pop up. It seemed like it might be heat/humidity related as it was happening all the time when I was outside during the day (90+ today in SC), but since I've been back indoors it hasn't come up again.

Jun 24, 2010 11:59 PM in response to cflowers81

I've been thinking about this today, and I'm certain its a software fault. Why?

If it were a SIM fault, surely it would stay faulty, even after a power cycle?
If it were a hardware fault, surely it would stay faulty, even after a power cycle?

Fact is, a power cycle fixes the problem. If the SIM was lose in the tray for example, why when power cycling, does it fix it? If it was lose when it happened, surely its lose after the power cycle, if you haven't moved the iPhone.

It has to be something software related. I've searched Google, and some of the results that appear, show it happening to iPhone older generation models too. Some suggested a restore in iTunes sorts it out. I'm not so sure. Anyone tried a restore? Did it fix the problem? I have some time today so will give it a go. Maybe a restore will fix the problem. Why? Because I setup my iPhone 4 with a butchered original sim card from O2, chopped down to microsim size, until my microsim became active. Maybe the software doesn't like the fact that the sim I am now using, is different to the one I set the iPhone 4 up with. I'll report back if this works.

Has anyone made a Genius appointment and been seen? Curious to hear what Apple say. Will make a reservation myself I think.

Message was edited by: cflowers81

Message was edited by: cflowers81

Jun 25, 2010 12:00 AM in response to cflowers81

Hi,

I'm experiencing the same issue with my iPhone 4 on Vodafone UK.

I agree with cflowers81 in thinking it is a software issue and hoping that Apple will come out with a fix rather sharpish as it's quite irritating. A good test if anybody can do it would be to use the micro-Sim in the adaptor that o2 sent out to everyone and try it in a different phone to see if this problem happens. That will define whether it is a sim/phone problem..

Jun 25, 2010 12:29 AM in response to cflowers81

Well, I've restored. And initial results look promising, unfortunately or fortunately, however you look at it. Unfortunate have to restore to fix the problem. As long as I only have to do it once. FYI I restored and setup as a new phone. Didn't restore a backup.

Anyway, so far so good. Did a few running around, up and down the stairs, shaking it about, using it in different positions lol, and the error hasn't popped up just yet.

I'll give it a few hours and see how it goes before I 100% confirm it fixed the problem for me.

Jun 25, 2010 5:39 AM in response to cflowers81

This has happened to me as well.
I'm on Orange. Phoned them up and they have said they're getting loads of calls about it. Because Its not been 24 hours since I registered my sim, I have to call back at 6.30pm before they can take it further.
They suspect it might be an issue at their end.
I'll update you later when I call them back.

SIM Card issues with iPhone 4

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