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Samsung - No Sim Card Detected, Not Registered to Network

Galaxy S III Q&A - xda-developers - forum.xda-developers.com
Ok first of all, I know that there are many other similar thread, I've read a couple of them, and in frustration I decided to make another one. I believe that I have a slightly different problem here..

I flashed Ultima V11.01 just yesterday, everything was going well until this evening an error popped up, saying something like "The mobile network will be unavailable until you restart with a valid SIM card inserted.". This has happened a few times back then, so it wasn't exactly a suprise, but after a couple of restarts it kept happening until finally the SIM card is not detected at all (usually it's detected at first, stopped working a few minutes later).

I tried to put the sim card (DIY micro-sim) to other phone and it worked just fine. At this point I thought it was my sim card slot causing the troubles, but then I tried other sim card in my S3, and it worked fine, no errors.

So it's basically: Phone A + SIM A = Error

whereas Phone A + SIM B & Phone B + SIM A works fine.

And by the way, when it says "No sim card", the signal bar indicates that it's connected (it's the mobile network signal). I tried to make phone calls, got an error "Not registered to a network". Going to Settings>Wireless and networks>Mobile networks, another error "Insert SIM card to access network services.

I've tried restoring to before I flashed Ultima, still no sim card detected.

Any idea?

Thanks in advance for all helps
Date: May 5, 2013    Labels: Samsung


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