This article describes how to install the battery, SIM card, and memory card.
INSTRUCTIONS & INFO
Insert a SIM removal tool into the slot on the device. Note: For more information, view the Amazon Fire Phone video: Getting Started or tutorial: Insert a SIM Card.
Remove the SIM card tray from the device.
Place the SIM card into the tray, beveled edge facing out, with the metal contacts facing down.
Insert the SIM card tray back into the device, pushing firmly to secure.