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Beginner Level 2
Battery life 
5 Comments
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Moderator
Moderator

Hi johnny1979,

Your device provides various options that help you conserve battery power.
• Optimize the device using the device care feature.
• When you are not using the device, turn off the screen by pressing the Power key.
• Activate power saving mode.
• Close unnecessary apps.
• Deactivate the Bluetooth feature when not in use.
• Deactivate auto-syncing of apps that need to be synced.
• Decrease the backlight time.
• Decrease the screen brightness.

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Expert Level 3
If this is after a update, follow those steps

go in Device Care
click on About Device Care
Click on the i
Click on storage and finally,
Empty the cache and Data
Now restart your device, it should work after
I don't think Wipe Cache Partition will help but...

You can also read my article and download the file :
https://r1.community.samsung.com/t5/Others/Wipe-cache-partition-for-all-devices-EN-FR/m-p/3156063#M1...

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Expert Level 1
you can do a lot to help the drain. just Google it and there is much to help you. for starters disable background refresh for apps that don't need it kind banking, Starbucks etc. but savings there. And what @keagan said, those steps should help as well.
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Active Level 1
why does my bluetooth shut off randomly on s9
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Hi Sipper, Please clear the cache for your Bluetooth application and check if it resolved your issue. I suggest you to post your query as a new post.

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