How to install the battery, SIM, and memory card (for applicable devices).
INSTRUCTIONS & INFO
Insert a finger into the notch located on the upper left side of the device to remove the protective cover and reveal the Nano-SIM card and microSD card slot
Insert the Nano-SIM card into the top slot with the missing corner leading and with the gold contacts facing towards the back of the device.
Press the Nano-SIM card into the slot until it clicks into place.
If the SIM is not in the device the Missing SIM icon will be display in the notification bar. See 'Notifications & icons' for more information.
Insert the microSD card into the bottom slot with the notched side facing towards the bottom of the device and the gold contacts facing towards the back of the device. Note: Memory cards (sold separately) up to 64GB are supported.
Press the microSD card into the slot until it clicks into place.