can you clean a sim card
One of these parts is the SIM card, which stores all the user's phone-related information. In the event that any dirt gets on the SIM card contacts and interferes with the communication between the card and phone, you will need to clean the card.It's a delicate but simple procedure.nstructions. Remove the SIM card. Rub the eraser lightly against each of the gold contacts on the bottom of the card. If you wish, lightly rub the contacts on the phone's SIM card port as well.