1. To remove the SIM card tray, push a SIM removal tool into the small hole above the SIM card slot until the tray pops out.
   
2. Insert the Nano-SIM card into the SIM card tray.
   
3. Reinsert the SIM card tray, then push the tray in until it clicks into place.
   
4. To remove the microSD card tray, push a SIM removal tool into the small hole above the microSD card slot until the tray pops out.
   Note: Memory cards up to 128GB are supported.
   
5. Insert the microSD card into the microSD card tray.
   
6. Reinsert the microSD card tray, then push the tray in until it clicks into place.
   
7. The device is ready for use.
   
8. If the SIM card is missing or incorrectly installed, the Missing SIM icon will be displayed in the notification bar.