Irene2_ASUS
Hi @Elmir,
Thanks for your reply. There's not necessarily anything strange or abnormal about seeing Android System and Android OS in the list, that's just how the device operates.
If you have low idle drain with flight mode on, it's most likely your wi-fi or cellular network (apps communicating in the background, making API calls etc) that's draining your battery.
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My claim is that there are optimisations that can be made so that the battery consumption is reduced, because my pixel 3 with the same apps and configuration consumes up to 2-3% by Android OS and Android System for a full charge, while with Zenfone 8 it is 2-3% per hour
