There are many ways to change how Galaxy S2 works for every user. Change the ROM, modify the launcher and download as many apps as you want, but there are certain functions and features which most users do not know about the device. Here are 10 you should know about to extend battery life, restore RAM and control Bluetooth devices with Galaxy S2.

1. Notifications Bar Brightness Control
You can control the brightness of Galaxy S2 from Notifications Bar instead of going to the Settings Menu. To do this, disable the Automatic Brightness by going to the Settings > Display > Brightness. Then hold the top area of the screen and scroll it left to right or vice versa to control the brightness level.

2. Customise the Application Menu
You can change the App Menu on which style you like on how the applications are listed. Press the Menu key inside the App Menu and choose between Grid View or List View. You can also add folders in the App Menu using the Menu key.

3. Edit Widgets
If you want some widgets to go larger than its usual size, hold on that widget and wait for the grid lines to show. Drag the widget to enlarge or reduce its size.

4. Take a Screenshot
Press both the Power and Home key to take a screenshot. You will hear a shutter sound and a blinking frame when a screenshot has been taken.

5. One-Click Free RAM
Some of your applications are active even if you use the back key to close them such as Music and Camera. Go to the Task Manager built inside your phone and close by them selecting either Close all Active Applications or Clear Memory.

6. Gain Root Access
This option is best for users with expire warranty for their Galaxy S2. Rooting the phone can give you full administrative control which allows deleting bloatware apps, manipulating CPU speed, and use special features by some system applications from Google Play.

7. Use the Power Control Widget
Shortcuts can be accessed easily with this widget for Wi-Fi, Bluetooth, GPS, and Brightness. One touch control to turn off battery consuming wireless connectivity of your device.

8. Sync Your Email Manually
If you want to extend or conserve battery of your Galaxy S2, modify the account syncing interval. Go to Settings > Accounts and sync > Select the accounts you want to change. You can change the account properties when do you want all of them to sync.

9. Switch for Live to Static Wallpaper

Beautiful and colourful Live Wallpapers can drain battery when used for hours without you even realising it. Change to Static Wallpapers instead if you want to exchange battery consumption for syncing or widgets. It will save more energy and RAM as well.

10. Bluetooth Mouse and Keyboard Connectivity
You can connect a Bluetooth mouse or a keyboard to your Galaxy S2. Although not conventional to use one, in case you wanted to create long emails, an external keyboard and be helpful. For the mouse, it is ideally used for tablets combined with a keyboard to emulate a PC. Here are the functional buttons of Bluetooth mouse connected to a Galaxy device:

  • Left-Click: Acts exactly on a PC.
  • Right-Click: Emulates the Back key of the smartphone or tablet.
  • Mouse Wheel: Pressing the mouse wheel activates the Menu key. You can press and hold it to launch the Search bar. Unfortunately, scrolling the wheel is not possible with a smartphone.
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