How to Use Android Camera Flash as a Torch
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How to Enable Power Saving Mode in Galaxy S4
Other than Power Saving Apps, Samsung Galaxy S4 has a built in Power Saving mode and you can enable CPU Power Saving, Screen power saving, Turn off Haptic feedback. Power Saving Mode is enabled by doing as follows:
1. Open "Settings" app
2. Go to "My Device" tab
3. Enable "Power saving mode" and tap on it
4. On the opened menu, you have 3 options:
a. CPU Power Saving: Limit the maximum performance of the CPU
b. Screen power saving: Use low power level for screen
c. Turn off haptic feedback: Turning off haptic feedback can extend battery life
** if you tap "Learn about Power saving mode" you get familiar with some useful tips regarding the issue
See: Useful Tips to Save Battery on Android
Read More Galaxy S4 Tips and Tricks
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