Idol 3 stopped reading sim card

skipatrol

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Oct 7, 2012
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So I had somewhat of a random issue today. My idol is working perfectly then all of a sudden I get the "emergency calls only" warning. Service is completely gone. After rebooting a few times to no avail, I move my SIM card into my Wife's phone...no issues. I move her card into my idol, the Idol doesn't recognize it. I factory reset the idol and it works again. Any idea what the heck may have happened? I absolutely hate factory resets so I definitely don't want to go through this again if it happens in the future. It was definitely a software issue. I just can't figure out why my idol randomly stopped reading my SIM. Hoping someone can help me figure it out as it's driving me insane.
 

anon(9633271)

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Sep 5, 2015
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Oddly enough, i've been experiencing "no SIM card" every so often now since rooting my Pop Astro with KingRoot.

i deleted the contents of the dalvik cache folder, which was 66 entries. Upon reboot, the system re-wrote only 62 of them. So 4 got nixed and my SIM card is back and working.

Very strange, strange indeed...