No Sim Card Installed Keeps Popping Up. Pull out the sim card tray and remove the sim card. How to fix the “no sim card detected” error on android devices.
Usually, there’s an icon or a picture on/around the sim tray showing how it has to be inserted. One of the reasons is your iphone not recognizing the sim card you are using. How to set up and use microsd card on android (opens new window) why does iphone say no sim card?
Reinsert your sim card after wiping the sim card and the sim tray to ensure there are no dust particles on them.
If anyone has issues or wants to know how. This is a quick how to video on the no sim installed problem with the iphone 4s. The sim card works fine so it's not a major problem but is irritating. If that's what you are experiencing, don't worry, you're not alone!
