If the error was caused by a loose fit, this is often a permanent fix.
. Note that this will erase saved Wi-Fi passwords. JustAnswer +7 Phase 2: The "Paper Shim" Hardware Fix The LG G3 is notorious for the SIM reader losing contact with the card over time. A common community fix is to add pressure to ensure the pins touch the card. 11 sites How to Fix "No SIM Card" Error on Android | Full Step by Step ... Apr 29, 2025 — lg g3 sim card error us cellular
The LG G3 is known for hardware-related SIM detection issues due to aging components. If the error was caused by a loose
This clears saved Wi-Fi passwords and Bluetooth connections but often fixes cellular registration errors. JustAnswer +7 Phase 2: The "Paper Shim" Hardware
Switch Airplane Mode on and off to force the device to rescan for U.S. Cellular towers.
Nothing works. The SIM works fine in another phone, so it seems like an issue with the LG G3 itself.
: Use a flashlight to check for bent or broken pins in the SIM slot. If they are bent, they can sometimes be very gently pried back into position with a small pin. 2. Software Troubleshooting