Why Is My Sim Card Invalid. Why Does It Say Invalid SIM Card Network Locked SIM Card Inserted. Every new interpretation of iOS brings advancements in performance and security along with bug fixes.
I cant seem to get this sim car to work in my phone. You will see a prompt that tells you to Update and you can go ahead and do that. In this Simple Step by Step Guide I will show you how to fix the No Sim Card Installed Invalid Sim or Sim Card Failure Error on iOS.
Once done the error should go away.
When I put this sim in my phone it says Invalid Sim and you cant even use any of functions of the phone. I cant seem to get this sim car to work in my phone. From there go to About. SIM cards contain information about the subscribers plans and network features.
