Open the 4G card slot
The snap slides down and installs the micro-SIM size phone card(Make sure SIM card is unlock)
Slide on the iron clasp after installation
Load or unload the card need to restart the car machine (point to the lower right corner), not turn off the ignition, you need to have a boot LOGO to be considered restart, otherwise the car machine can not be read to the SIN card information
After the car reboot, if the SIM card is read, there is a SIM card signal in the upper right corner as well as Android Settings-Wireless Settings-Mobile Network display
If not read SIM card, to determine whether the SIM card with the gold finger contact is not in place, the detection method SIM at the finger hard to hold down the card and restart the machine, restart can be read to the card, it is recommended that in the middle of the phone card iron buckle stuffed with a piece of paper to increase the contact area can be solved.
If you have not read the SIM card, to determine whether the A-area wiring harness with poor contact with the car machine caused by the A-area line plugged into the car machine at the unplugging interface and four weeks to press tightly, and restart the car machine after trying to
