Please tell us some basic information before asking for help:
Model Name:ROG 2
Firmware Version:2009.49
Rooted or not:NO
Frequency of Occurrence:YES
APP Name & APP Version (If your issue relates to the app):Android system
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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For the past few days I have observed that battery drain has been abnormal.The main culprit is Android system.
I am down to 67% just from 2hrs of minimal usage.No games ,no battery heavy applications.This is really bothering me now.