Settings > Personalise > Edit current theme > Font > Another > Halleyvenica NBP (too lazy to edit).
i have xiaomi device. no root and bootloader is unlocked still get uncertified. and sony device with no root + locked bootloader and get certified status. wanna test it? go back to lg stock firmware and flash the original aboot.img, see the change
make a deep flash cable https://m.youtube.com/watch?v=DJZ6Ka7mrIA. and flash it using flashtool
188.8.131.52.0 is vendor rom. if youbalready installing minimal adb and fastboot, enable the android debug and enable oem unlock permission in developer option you just need to enter fastboot, the type fastboot oem device-info you will see the statu of...
ups, silly me. sorry, I use the wrong kernel manager
the feature is already there, please ignore my stupid request :)