Many device manufacturers build in addition to the already existing Android battery optimization system their own. These systems limit or disable the background work of apps that the user hasn't opened in a while to save battery, memory, and data.

As a result, the AT-ZONE app may malfunction and provide inaccurate location data.

To prevent this from happening, you need to configure the target device so that it does not deactivate the background work of AT-ZONE.

How do I deactivate battery optimization for AT-ZONE?
Select the manufacturer of the target device from the list and follow the instructions provided. Depending on the device model and the firmware installed on it, the sequence of actions and option names may slightly differ from those given in these instructions.
  • Xiaomi
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    1
    Open device settings and go to “Apps”.
    2
    Then select “Manage apps”.
    3
    Select “AT-ZONE” from the list of apps.
    4
    In the next screen enable “Autostart”.
    5
    Confirm by tapping “OK”.
    6
    After that, go to the “Battery saver”.
    7
    And select “No restrictions”.
    Done! Now the background work of AT-ZONE will not be limited.