Same problem and i dont get why it doesnt work.

try to clean the sim hoder area and if u unlocked it by the code then u just talked to a mean *** at lg

I had mine in upside down and that caused it to say insert smartchip.....could be a back sim card. If you have another phone test out the sim card in that phone or have your service provider help check the sim card

There could be a fault with the contacts on the USIM reader of your handset

Turn off the phone. Take the battery and Sim Card out. Make sure there is no dust or dirt of where the Sim Card goes. Blow air (from your mouth) of where the Sim Card goes. Sometimes rubbing a soft pencil eraser on the Sim Card contact points can help. Then place the Sim Card back in the phone. Make sure it is in the right position; copper contacts facing downward. Put the battery back in your phone. Turn it on, and see if the smartchip rejected goes away.

If not you may need to contact your Phone Provider’s Tech Support to troubleshoot and confirm that you may need a PUK reset code to register or you may need a new Sim Card, as they do fail from time to time.

Turn your smart chip around. When inserted correct, you will be able to see the slanted corner of the chip.

take out ur sims card and put back in this should fix problem

if you take sim and battery out for about 15-20 minutes and boot up your phone, you should be fine, i talked to my stepdad, computer freak, he said it could be caused from me not ever shutting my phone off and it just getting hot

Yes there are 2 different places for the SIM card and memory card in the VU, but they are very close together. Try using a small pair of tweezers to gently grab both sides of the card and slowly pull it out.

DID U PUT IT IN BACKWARDS

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.