In this tutorial, you will learn how to:
The No SIM icon will be displayed in the Notification bar when there is no SIM card in the device.
The SIM tray is located on the upper left side of the device. To insert a SIM or microSD card, insert a SIM tool into the small hole to eject the SIM & microSD tray.
Note: To prevent data corruption, it is recommended to unmount your memory card before removing it. To unmount your memory card, from the home screen, swipe down from the Notification bar with two fingers > Settings icon > Storage > dropdown icon > SD card > Menu icon > Eject.