LG G3 sim issue then reboots

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My daughters LG G3 started giving an error about the sim then rebooted last night.  Works for a little bit, same error, then reboots.  She took it in to a Koodo kiosk to see if the sim was bad, unfortunately, it wasnt since it worked in their test phone.  So basically they said she needs a new phone.  And its off warranty

The phone has been in a protective case since day one, and never been exposed to water damage.  Can phones just go like that?  I can see if you drop it, etc.   But just like that, bad phone.

She still has 7 months on her tab, are there any things phone wise I can look at to try and fix it.   Have others had issue with this.

I still want to go to the Koodo kiosk with her and see how long they tested the sim for.  Since last night on reboot the SIM did work for awhile, then fail.  Did they just plug it into their test phone for a few seconds and say ya its good, or actually leave it for awhile.

Any help would be appreciated.
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No Way

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Posted 1 year ago

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Allan, Mobile Master

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I had a friend with an LG G3 that died after about a year and a half. The phone would just shut off every 5 or so minutes. Some phones are just faulty phones and will die sooner than others. Its a shame that you no longer have warranty on the phone. Although it is probably a faulty phone it could be an easy fix as well though but to answer your question, yes, phones can just die like that.
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No Way

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Thanks.  Im just used to my current phone, 4 year old nokia 520 with Windows, going strong.  My old Palm Treo was 5 years old, and only broke due to a huge fall.  My son got the same LG phone the same day.  Id rather have a phone die due to "reasons" as in, dropped it in the lake, or it fell down the stairs.
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BobTheElectrician

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Some lens cleaning tissue wrapped around a toothpick and soaked in 90% rubbing alcohol can be used gently to clean the SIM contacts. Since it's intermittent, you might consider rolling the dice and buying a replacement SIM for a few bucks.

Before considering trading the phone, try a hard factory reset to see if it's a software issue.
(Edited)
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No Way

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So all was good, worked all day yesterday and last night.  Daughter powers it off for the night, turns it on, no sim card. Different issue then before, since it would give a weird sim card error, then reboot.  Now it just doesnt see it.  Question is, can SIm cards be flaky?  The test at the Kiosk really wasnt a test, they had it in their test phone for maybe 30 seconds.   When it was acting weird a couple days ago, the same thing happened.  Worked for a little while, then would give the issue.  So can a sim card do that, or do they basically work or dont work?
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Allan, Mobile Master

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Have you tried booting the phone in safe mode? If not boot it into safe mode and run it for at least 24 hours. If no sim error appears than there is something downloaded on your phone that is causing this error. If you do recieve the error than either something is wrong with the sim reader in the phone or the sim card.

Here are instructions from LG to boot your phone into safe mode:
  1. Press and hold the Power button (located on the back) until Phone options is displayed then release.
  2. Touch and hold Power off until Restart in safe mode is displayed.
  3. From the Reboot to safe mode prompt, tap Turn on safe mode.
    Note This restart process may take up to one minute to complete.
    Note Upon restart, Safe mode appears in the lower left of the unlock/home screen
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No Way

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Ill try that, but the apps that are on it arent out of the ordinary.  I have been reading that a shim in the card reader helps to, as it creates extra pressure so its more secure.  Maybe thats why it worked all day yesterday.  I really didnt transport it anywhere, it just sat on my desk.   I think Ill go to Koodo Kiosk again and ask them to test the card for more then a few second in their test phone.  Leave it in for 30 minutes or something
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No Way

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Well after trying everything I could think of since Tuesday, including the cut piece of business card trick for a better sim card fit, the phone was so random from working for a long time after reboot, to not after 10 minutes.  Bought a new sim card and phone has been fine since Saturday.  So that was probably the issue all along since it was such a sudden issue.   Thanks for the help everyone
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Allan, Mobile Master

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Glad to hear you got it fixed!
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jaspreet kaur

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Ways To Resolve The No SIM Card Error In Android

Solution 1: Restart Your Device
Solution 2: Check The SIM Tray
Solution 3: Place The SIM Securely On The Tray
Solution 4: Toggle Airplane Mode
Solution 5: Set Network Mode To Auto
Solution 6: Choose The Right Network Operator
For more solutions check LG G3 Manual. 
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Goran, Mobile Master

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The thread is 5 months old and the OP was able to find out what was wrong. No need to necro it at this point, especially when these solutions were advised already.

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