What do you do when your SIM card is not working?

Troubleshooting SIM card problems

Turn off your phone and remove the SIM card.
Clean the gold connectors on the SIM with a clean lint-free cloth.
Replace the battery and turn your phone on without the SIM.
Turn your phone off, replace the SIM and restart the phone.

What are the signs of a bad SIM card?

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.

How do I know if SIM card is working?

You can visit carriers’ website or insert the SIM card on a cellphone to check the account balance of the SIM card. Check the SIM card status. Run the display cellular interface-number security command to check security information about the 3G/LTE modem. The SIM card status is displayed.

How do SIM cards get corrupted?

If there is a sudden power failure at the time when your files are getting transferred then there is more probability that your card may get corrupted. Sudden power surge is responsible for affecting the synchronization between the memory card and your system due to which the copying process gets stuck in between.

Can you fix a corrupted SIM card?

Unless you’re a scientist specializing in data recovery, you won’t be able to repair a physically damaged SIM card yourself. Forensic services like SIMIS (Subscriber Identity Module Interrogation System) use decapsulation, X-rays and advanced cleaning methods to recover and repair physically damaged SIM cards.

How do I restore my SIM card?

How to Reset a Phone SIM Card

Insert the SIM card into your cell phone’s SIM card slot. Place the back cover securely and turn on the phone.
Access the “Settings” menu. A number of options should display for modification, including “Display,” “Time and date,” “Phone,” “Reset” and others.
Click on the “Reset” option.

How can I recover my SIM card without service?

How to Fix “No Service and Signal” on Samsung and Android

Restart Your Android or Samsung Device. The easiest thing to try (and often the most effective!) to resolve a no signal issue on Android or Samsung gear is to restart your device.
Toggle Airplane Mode.
Manually Select Network Operators.
Run a Ping Test With Service Mode.
Double-Check Your Sim Card.
Restore Factory Settings.

What happens if I reset my SIM card?

Part 2: How to Wipe out Android SIM Card Completely There is a risk – simple deleting or resetting can not really erase the data, SIM card data recovery software can make deleted data recovery possible. After all, simple deletion within the device itself cannot truly perish those files once and for all.