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.

One common issue that some users face is their new phone not accepting their SIM card, requiring an unlock code. We will cover various methods to obtain the unlock code and troubleshoot your SIM ...

Need to access your Android device's SIM tray but can't find the ejector tool that came in the box? All hope is not lost. There are a few things you can try.

The big reason to update to the November security patch is a bug fix for a security issue that can unlock your Pixel lockscreen ...

Are you switching phones or carriers? You'll need to learn how to remove a SIM card from your Android phone. Let's help you out!

Verify if the SIM card is functional by inserting it into another phone: Use a spare phone to check if the SIM card can connect to the network. Troubleshooting Steps for iPhone Devices 1.