Android OS Excessive Battery Drain, How Can I fix this? : r/GalaxyS8
Kernel (Android OS) just consumed all of my idle battery overnight (1%/hour). Ideas? | XDA Forums
Why is Android System taking up so much battery life. : r/GalaxyS9
Android system battery drain | XDA Forums
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OnePlus fix your Android System Battery Drain!!
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Massive battery drain from 'Android System', any ideas? : r/GalaxyS9
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![Tips] Guide. How to reduce Android OS battery drain and sent data : r/GalaxyS8](https://external-preview.redd.it/Jkg4MHoy1V1hD0rVr2dgOarTSxEVeFZSLX0yj4e3leg.jpg?auto=webp&s=8cf998438bf22ebf63e9d7afa837fbd9ae65cb6d "Tips] Guide. How to reduce Android OS battery drain and sent data : r/GalaxyS8")
Tips] Guide. How to reduce Android OS battery drain and sent data : r/GalaxyS8
![SOLVED] Here's your Android Nougat battery drain fix!](https://cdn.nerdschalk.com/wp-content/uploads/2016/08/Android-Nougat-battery-issue.png "SOLVED] Here's your Android Nougat battery drain fix!")