Lg G3 Sim Card Error Us Cellular !full! Today

Any help would be appreciated before I give up on this phone. Thanks!

Having a frustrating issue with my LG G3 on US Cellular. Out of nowhere, I keep getting a or “Invalid SIM card” message. The phone doesn’t recognize my SIM, and I’ve lost all cellular service. lg g3 sim card error us cellular

Here’s a post you can use for social media, a forum, or customer support: Any help would be appreciated before I give up on this phone

LG G3 SIM Card Error on US Cellular – Need Help! lg g3 sim card error us cellular

Has anyone else had this problem on US Cellular? Could this be the dreaded that LG G3s are known for? Or is there a software fix (maybe resetting network settings or flashing firmware)?