Question: Why Does My SIM Card Not Work?

What happens when your SIM card doesn’t work?

If you see a message like “SIM error,” “Insert SIM,” SIM not ready” or something similar, try taking the SIM out then put it back in and power up your phone.

Typically the SIM is underneath the battery or in the side of your phone, but it’s best to check with your cell phone manufacturer for instructions..

How can I tell if my SIM card is bad?

If you encounter any of the issues listed below then you might have a SIM card that is not working properly anymore.Calls being interrupted, or messages delayed.Pin code requested without rebooting the phone.Sound quality decreasing.Battery life reduced.Phone getting warm.More items…

How do I activate an invalid SIM?

How to Reactivate an Old SIM CardRemove the SIM card from the handset.Write down the numbers that are printed on the SIM card. … Contact your wireless provider to activate your SIM card. … Give the IMEI number and SIM card number to your customer service agent.Put the SIM card back into your phone and replace the battery and cover.

Why is my phone not reading my SIM card?

If what’s causing your SIM card error is a software issue, sometimes a simple reboot is all it takes to fix the problem. Long-press on the power button until the pop-up window appears with the “Restart” option. Tap on it to restart the phone.

Why does my SIM card say invalid?

If you get an alert that says Invalid SIM or No SIM Card installed, follow these steps. Make sure that you have an active plan with your wireless carrier. Update your iPhone or iPad to the latest version of iOS. … Remove your SIM card from the SIM card tray and then put the SIM card back.

How do I activate my SIM card?

To enable SIM Security:Open the User Options window and select SIM Settings.?In the Enabled field, use the drop-down list to select Yes.Enter PIN1 in the Please enter PIN field and click Apply. … Click Yes to confirm that you want to enable SIM Security.

How do I know if my SIM card is deactivated?

put the SIM into one of your phones… if it picks up a signal, then it’s active. if it shows nothing, then it’s been deactivated, or maybe might say “Sim registration failed” or something to that nature. If its more than 120 days after the validity period of your last refill, ur sim will most likely be deactivated.

How do I know if my SIM card is active?

If you do not see any network signal. Then sim card is not active. To cross check, dial a number , then screen will show not registered . Means sim is not active.

Why does my phone keep saying no service?

One of the reasons a Samsung or Android device may show “No Service” is because it’s connected to a disabled cellular radio signal. … Once the test ends, navigate to the bottom of the menu and check the radio data -it should be enabled. After this is set, restart your device and check if the problem is now resolved.