5.3 Controller accessories ................................................................................................................................. 49
5.3.1 Charger ................................................................................................................................................. 49
5.3.2 Battery .................................................................................................................................................. 49
5.3.3 Data cable ............................................................................................................................................. 49
5.3.4 Touch pen ............................................................................................................................................. 50
5.4 Operation ..................................................................................................................................................... 50
5.4.1 Keyboard .............................................................................................................................................. 50
5.4.2 Battery installation and dis-assembly ................................................................................................... 51
5.4.3 Power system ....................................................................................................................................... 54
5.4.4 SIM card setting .................................................................................................................................... 55
5.4.5 Installation of the Micro SD card ........................................................................................................... 57
5.4.6 Power on/off .......................................................................................................................................... 58
5.5 Application ................................................................................................................................................... 59
5.5.1 Connecting the controller to computer.................................................................................................. 59
5.5.2 Upgrade method ................................................................................................................................... 61