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Beginner Level 2
Sir I'm facing lots of problems with my m30s and it also doesn't support secure folder and it has 6000 mah battery power but it's fack i think bcz it works like a 2500 mah battery.  This is the main problem with this. 
4 Comments
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Active Level 8
I think there is no secure folder for M30S since it lacks Knox in it.

For better battery backup try these tips
Turn off location, bluetooth, Wifi, auto sync and rotate ..
Enable Adaptive power saving mode in battery session.
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Beginner Level 2
i did these things before even the battery issue is same
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Active Level 8
Uh, then it may be Software glitch. Wait patiently till Samsung rolls out next fix update.
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Expert Level 5
galaxy m30s doesn't have builtin Knox security service hence you can't use secure folder..only m10s contain secure folder among all m series
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