Reseat the SIM card Disconnecting the SIM card normally refreshes cellular configuration of a device. In some cases, this is enough to fix messaging or voice calling issues.

A SIM card that doesn't work can cause a lot of problems. Here's how to fix the "No SIM card" error on your Android phone.

If your Android phone is showing a "No SIM Card Detected error", then you can't connect to your wireless carrier network. Here's how to fix it.

Mailbag | Samsung How to fix Galaxy S9 Plus invalid SIM card error Harvey Hisona November 4, 2019 September 2, 2023 Hello Android fans!