![How to fix battery drain issue after installing One UI update Android 9 Pie on Galaxy S9, S9+, S8, S8+, Note 9 and Note 8 How to fix battery drain issue after installing One UI update Android 9 Pie on Galaxy S9, S9+, S8, S8+, Note 9 and Note 8](https://cdn.nerdschalk.com/wp-content/uploads/2018/04/Galaxy-S8-759x427.jpg)
How to fix battery drain issue after installing One UI update Android 9 Pie on Galaxy S9, S9+, S8, S8+, Note 9 and Note 8
![Android System battery drain issue not solved in Android 10 in Redmi Note 8 pro - MIUI ROM - Xiaomi Community - Xiaomi Android System battery drain issue not solved in Android 10 in Redmi Note 8 pro - MIUI ROM - Xiaomi Community - Xiaomi](https://i02.appmifile.com/images/2020/03/08/83d0276c-4aaf-456a-89ef-845d41297713.png)
Android System battery drain issue not solved in Android 10 in Redmi Note 8 pro - MIUI ROM - Xiaomi Community - Xiaomi
![How To Solve Battery Drain Problem in Redmi Note 9 Pro | Redmi note 9, 9 Pro battery drain problem - YouTube How To Solve Battery Drain Problem in Redmi Note 9 Pro | Redmi note 9, 9 Pro battery drain problem - YouTube](https://i.ytimg.com/vi/ITG8j3DDE1U/maxresdefault.jpg)
How To Solve Battery Drain Problem in Redmi Note 9 Pro | Redmi note 9, 9 Pro battery drain problem - YouTube
![MIUI 12 update battery drain hitch continues to affect phones like the POCO F1, Redmi Note 8 Pro, and Xiaomi Mi 9 with no official fix in sight - NotebookCheck.net News MIUI 12 update battery drain hitch continues to affect phones like the POCO F1, Redmi Note 8 Pro, and Xiaomi Mi 9 with no official fix in sight - NotebookCheck.net News](https://www.notebookcheck.net/fileadmin/Notebooks/News/_nc3/Poco_Redmi_Xiaomi.jpg)
MIUI 12 update battery drain hitch continues to affect phones like the POCO F1, Redmi Note 8 Pro, and Xiaomi Mi 9 with no official fix in sight - NotebookCheck.net News
![Redmi Note 9 Pro Battery Drain Test (100-0%) https://youtu.be/A6Ck9Uvo2k8 | Note 9, Samsung note, Tech updates Redmi Note 9 Pro Battery Drain Test (100-0%) https://youtu.be/A6Ck9Uvo2k8 | Note 9, Samsung note, Tech updates](https://i.pinimg.com/originals/93/13/0f/93130fa8a13ff2ef53cb11890bc9b64e.png)