Samsung Galaxy S3: How to Fix No SIM Card Error

Samsung Galaxy SIII has comes with some card slots, such as an SD card slot that will allow you to expand the phone's storage by inserting a new SD card. You can easily insert and remove SD card by yourself. See also: How to Insert and Remove Micro SD Card on Samsung Galaxy S3Another card slot available in this phone is SIM card slot to place your SIM card. You can use this card to send messages