Howto Turn On Menu and Back Button Lights on Samsung S3

The Samsung S3 is a clever device to conserve energy, but to some users who keep forgetting where is the frequently invisible "Menu" and "Back" buttons, they should have it lit all the time (and off when screen is off).

These buttons are on the left (Menu) and right (Back) of the Home button. By default, each time either keys are pressed, the lights will stay lit for about 1.5 seconds only.

Here are step to have "Menu" and "Back" buttons lit all the time (and off when screen is off).

Step 1. At the Home screen, go to settings.
Simple? For the unacquainted, just touch the Apps button (usually the centre circle at bottom of the screen) and choose settings.

Step 2. Choose "My device", scroll down and touch "Display". 

Step 3. Scroll down to touch "Touch key light duration".

 Step 4. Choose "Always on".

Press "Home" and you will notice the lights are lit next to the "Home" key. If the screen if off, these lights will also go off.

Howto Turn Off Samsung S3 keyboard sound

For some reason, the keyboard on Samsung S3 (GT-I9300) started to beep with each press and this gets annoying after having to type lots. Instructions can be applied for most Android 4, but here the screenshot are for Android 4.3 kernel version 3.0.31-2429075 dpi@HP20 #1.

To turn off/on the sound in 3 simple steps;

Step 1. At the Home screen, go to settings.
Simple? For the unacquainted, just touch the Apps button (usually the centre circle at bottom of the screen) and choose settings.

Step 2. Choose "My device", scroll down and touch "Language and input"

Step 3. Scroll down and find Key-tap feedback "Sound". To turn keyboard sounds off, uncheck the "Sound" box.

Press the "Home" key and you can test out keyboard sound, off or on as you have  selected.