Multilaser APOLO User Manual page 36

13.4 System language & Keyboard
In the Main Interface, press Menu key or touch Menu icon to pop up
the Windows, touch Settings → Personal →Language & input →
Language → select and touch your target language.
13.5 About device

In the Main Interface, touch Menu icon to pop up the Windows,
touch Settings→ System →About Tablet → Status.
(Notice: It takes the system about 2~5 seconds to check
and display the dat on the screen).
Here, you can check the battery status, battery level, device number,
Network, signal strenth, Mobile network type, service state,
Roaming, Mobile network state, IMEI, IMEI SV, WIFI Mac address,
Bluetooth address, up time & etc.

In the Main Interface, press Menu key or touch Menu icon to pop up
the Windows, touch Settings icon → About Tablet → you can
check the Frimware version, Kernel version, Build number.
13.6 Factory data reset
Touch Settings → Personal → Backup & reset -> Select "Factory
data reset".
Notice: Resuming factory data, will remove and delete
all the data and information except of the programs
bundle preloaded with the SYSTEM. So, it is very
important to backup all the data and information before
executing Factory date reset.
13.7 How to set G-sensor
Enter into the list of Settings →Device →Display →select or unselect
"Auto-rotate screen".
"√" means G-sensor" on.
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To view different status and state of the device
To view the version of the system/firmware
User's manual