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.

Clean the SIM card before you insert it into the phone again. If it’s damaged, your only option is to get a new SIM from your network carrier. Check the phone hardware.

One of the first things you should do when you get your Samsung Galaxy Note 8 is to put in a SIM card in the phone. If you are wondering how that’s done we will tell you how to insert a SIM card ...

Power down your phone and then insert the new SIM card. If you have multiple mobile devices, use the email confirmation to verify which SIM card is used for each. Turn on your phone and call 1-800 ...

Find the SIM tray on the side of your phone and insert the SIM tool or paperclip in the hole; the tray should pop out easily. A SIM card in its tray with a SIM removal tool. Dave Johnson/Insider ...

Google Fi has internally released fixes for the SIM card issues that several subscribers were facing, and is also sending $60 bill credits.

Insert the iPhone's SIM eject tool or a paperclip into the phone's SIM tray release slot, and slide the tray out from the phone. Remove the iPhone's SIM card and insert the older SIM into your phone.