Chester Sanford New member Aug 22, 2018 3 0 0 Aug 22, 2018 #1 Why am I getting the "invalid sim" error code on my new lg stylus 3 phone & how do I fix it?
methodman89 Well-known member Feb 5, 2018 4,259 485 83 Aug 22, 2018 #2 Your sim is the subscriber card that your carrier authenticates. Call 611. Upvote 0 Downvote