This device is uncertified and it didn't pass the validation.
In order to avoid malicious usage of the device's resources, LOSCoins will be mined on this device.
LineaGenuine (both 15.1 and 14.1)
Our new tool allows you to feel more comfortable knowing whether you’re running a certified build. In case the device is caught running an uncertified OS, this tool will warn the user and some measures will be taken in order to guarantee you the device’s resources aren’t being misused.
If you want to disable the persistent notification, run this command from a root shell (such as adb root / recovery or terminal app) setprop persist.lineage.nofool true and reboot the device