Installing/Uninstalling SIM card and microSD card
There is a SIM card slot and a micro SD card slot in the middle of the two battery
houses, the upper one is SIM card slot. To install the SIM card, just push the SIM card
into the SIM card slot according to the prompting figure. The microSD card
installation is similar to the SIM card installation.
To remove the SIM card and microSD card, push the card and then take out the card.
Note: When you select network mode to work, you need to install SIM card.
Installing/Uninstalling battery
To install the battery, push the compartment locker, insert the battery into the
battery compartment, then lock the compartment locker.
To remove the battery, push the compartment locker and then take out the battery.