Android terminals cannot be manually updated. In case they have an older version, they can be automatically updated when rebooted.
Rebooting an Android Ethernet (A80)
Keep pressing the red key (X) until a message appears on the screen.
Select the Reboot option on the appearing message.
Select OK
The terminal reboots. Wait until rebooting is complete.
Rebooting an Android 4G (A910)
Keep pressing the Power button at the left-hand side of the terminal until a message appears on the screen.
Select the Reboot option on the appearing message.
Select OK
The terminal reboots. Wait until rebooting is complete.
Rebooting an Android 4G (A920)
Keep pressing the Power button at the right-hand side of the terminal until a message appears on the screen.
Select the Reboot option on the appearing message.
Select OK
The terminal reboots. Wait until rebooting is complete.
In case you need to check your terminal’s latest version please follow the steps below:
Touch the hamburger menu (3 parallel dashes) on the left-hand side of the screen
Scroll down the screen
Select System
Select About
In the VERSION field you can see your android terminal’s latest version.