The desktop status bar, shortcut menu and the definition of the icons:
Icon
Function
Back – Tap it to go to the previous screen
Home page - Tap it to return to the desktop
Tap it to check the latest files that you browsed
The USB icon appears only when the device is connected to a USB
device successfully.
The micro SD card icon appears only when a micro SD is inserted into
the device.
The current system time
The WIFI signal indicator appears only when the device is connected to
a WIFI network.
The 4G signal indicator appears only when the device is connected to
4G signal.
The battery icon shows the remaining battery level or to indicate battery
recharging status.
Applications – Tap it go to Application menu
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