Lg G3 Sim - Card Error Us Cellular

: Some users have found that the SIM reader loses contact with the card. You can place a small piece of tape or thin cardboard on the back of the SIM card to increase pressure against the reader pins.

If you have tried the paper trick, cleaned the contacts, and tested another SIM without success, the issue is likely a failed on the motherboard. lg g3 sim card error us cellular

Switch Airplane Mode on and off to force the device to rescan for U.S. Cellular towers. : Some users have found that the SIM