Smartphones have a screen timeout built into them, which works in the same way as a screen saver on your PC, temporarily suspending the screen or making it appear black while the device is not being used. This a great function, as it ensures the display isn't draining your handset's battery, particularly on devices that feature AMOLED displays, many of which run Google Android.
Adjust how quickly your screen fades to black
However, you may find the smartphone's default timeout period may be just a little too quick, and you find your display is timeout while you're still using the handset, or its just simply too long and your display is remaining active and drinking your power when it needn't be.
Fear not, there is a way to alter the default to a timeout period that suits you better. While you probably won't be able to specify your own unique timeout period (for example 32 seconds) you will be able to choose from increments, which in the case of the device were using ranged from 15 seconds to 10 minutes.
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It's worth noting that we used a Samsung Galaxy S running Google Android 2.2, which is also known as Froyo. However, because some manufacturers (and in some cases the mobile networks themselves) use their own skins on-top of the operating system, the menu or function may be accessed in a different way on some handsets.
Here's how to adjust the screen timeout period on a Google Android device.
From the Home screen open the Settings menu.
Select the Display menu and then press Screen timeout.
From the options display, select the one you desire and then you'll be automatically returned to the display menu. Press the back button to return to the home screen with the change to the screen timeout implemented.