Question about AT&T LG CU720 Cell Phone - Silver

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My LG Shine wont recognize my sim card

Everytime I try to turn it on it says insert smart chip. Why wont it work?

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  1. Make sure that the end that has the angle cut
  2. is the end facing out.

Posted on Jun 04, 2010

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Ok, i took my sim card out of the phone, then i put it back in, and turned it on. then it says please insert smart chip, what do i do?....


you can check it with other sim card ,if it remains the same problem ,it may be locked to particular network wont accept any sim card other than the particular network ,you can unlock it and used to other network,try here http://www.theunlockspot.com/lg-vu-cu920/rs10wp9/

Dec 22, 2010 | LG Vu CU920 Cellular Phone

1 Answer

Why is my phone saying insert smart chip, phone is unlocked


Unlocking means that it can work on any compatible network -- it's no longer tied to one carrier -- but you still need a SIM card for your provider so the phone has an identity on the network.

Jan 21, 2010 | LG Shine CU720 Cellular Phone

1 Answer

What does it mean: insert a smart chip?


Try cleaning the contacts on the sim card. if that doesn't work go into the phone store and ask for a replacement sim.

Aug 06, 2009 | LG Vu CU920 Cellular Phone

1 Answer

I have the lg cu720 shine


turn the phone on remove the battery cover and remove the battery while the device is still powered on then proceed to remove the sim card and clean the contact surface well with a dust free cloth replace sim card battery and cover. if problem persists contact customer care

Aug 03, 2009 | LG Shine CU720 Cellular Phone

1 Answer

Insert smartchip


You are placing the smart chip on top of the smart chip holder. It's a little metal square where the smart chip should go. Lift up the metal square and place the smart chip underneath. I had to go to my local AT&T dealer to figure this out.

Jul 11, 2009 | LG Shine CU720 Cellular Phone

1 Answer

Says insert smart chip


smart chip means the SIM card.

try cleaning the metallic part of the SIM card with a cloth and the metal connectors on the phone with cotton bud etc.

Put it back and try again.

If not working grab another SIM card (working - friend's etc) to test.

If still not working, send to service centre.
If working for other SIM card then replace your own SIM card.

May 29, 2009 | LG Vu CU920 Cellular Phone

1 Answer

Says insert smart chip


It is possible to put the sim card in backwards.  My daughter did and when we turned it around I no longer got the "smart chip" error message.

May 27, 2009 | LG Vu CU920 Cellular Phone

4 Answers

My phone keeps saying insert smart chip


attempt to take the SIM card out and gently wipe it off (pay especial detail to the copper connectors on the under-side.) after that, give a gentle blow to the recieving area for the sim on the phone and place the sim back in the phone, power up, and hopefully this problem will be solved. this issue occurs often to myself and this seems to be a very simple solution.

Mar 17, 2009 | LG Vu CU920 Cellular Phone

1 Answer

LG Shine doesn't reconize SIM card


yeah you probably need a new chip due to the 3g network it might work on the other phones because they are older

Dec 29, 2008 | AT&T LG CU720 Cell Phone - Silver

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