Please tell us some basic information before asking for help:
Model Name: Rog 3
Firmware Version:
Rooted or not: Not rooted
Frequency of Occurrence: since purcharsed
APP Name & APP Version (If your issue relates to the app):
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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After charging my phone, In 5 mins without using anything battery percentage reduced 3 percentage and also continuously draining without using heavy apps..