How to Reset a Phone SIM Card
Insert the SIM card into your cell phone’s SIM card slot. Access the “Settings” menu. Click on the “Reset” option. Insert the SIM card into your phone.Access the “Phonebook” menu options and select “Management” or “Settings.”Choose “Delete All” and confirm the action.

Can you restart a SIM card?

You can go through each piece of information in your phone and delete it to reset your SIM card. A SIM card stands for subscriber identity module and stores most of the information that goes through your phone. You can buy a SIM card reader that will allow you to clear the memory.

What is the meaning of refreshing SIM data?

it may be one of two, first :faulty sim card, second: faulty sim reader on the phone. sp check another sim card on the same phone to make sure.

Clean the SIM card by blowing off dust, or use a soft cloth to carefully remove any residue from the gold contact area (don’t use soap or anything abrasive). Place the SIM card chip-side down into the tray and slide it back inside. If inserted correctly, the tray should go in easily.