I keep getting a invalid card or no SIM card code on my phone out of nowhere. I have pulled it out and put it back in many times now and even a factory reset and nothing helps worked fine yesterday morning and by the end of the day it keep coming up with one of these code
You can get a replacement SIM card at an ATT corporate store.
(The following is included after all posts to save typing) We are customers too, NOT employees. Our answers are based on experience and reading content available on the website. Our answers are honest, but not always appreciated. If you posted personal information, please edit and remove.
*The views and opinions expressed on this forum are purely my own. Any product claim, statistic, quote, or other representation about a product or service should be verified with the manufacturer, provider, or party.