This article provides an overview of the hardware.
INSTRUCTIONS & INFO
To install the Micro SIM card, open the SIM tray by using the notch located on the slot labeled SIM on the side of the device.
Insert the Micro SIM card into the slot with the missing corner of the Micro SIM card facing towards the top of the device and the gold contacts facing towards the back of the device.
Push the Micro SIM card in until it clicks into place.
To install a MicroSD card, open the MicroSD slot by using the notch located on the slot labeled microSD on the side of the device.
Inset the MicroSD card into the slot with the notched side of the MicroSD card pointing towards the bottom of the device and the gold contacts pointing towards the back of the device.