Samsung Galaxy S4 is an Android smartphone manufactured through Samsung Electronics as the fourth smartphone in the Samsung Galaxy S series and was unveiled for the first time in March of 2013 in Samsung Mobile Unpacked in New York City. It’s the successor to Samsung’s Galaxy S III, which has a similar design however, it has upgraded technology, more sensors, and a greater concentration on software features that make use of its hardware capabilities. For instance, the ability to recognize the moment when a finger hovers over the display, and the ability to track your eyes, which have been enhanced.

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Samsung Galaxy S4 is known for the introduction of a variety of brand-new enhanced interaction options to this series of phones. Samsung Galaxy S series.

Head tracking capabilities are available on the S4 and are described by “Samsung Smart Screen”. The brand new “Smart Scroll” feature allows users to scroll while viewing the screen by tilting their phones or heads forward or backward “Smart Pause” lets the player stop videos when the user isn’t watching the screen. “Smart Rotation” monitors the user’s facial position by using the front camera to ensure that the rotation of the screen is in line as well “Smart Stay” keeps the screen from going into standby mode by deactivating the display time-outs while the user is watching the screen.

And, to alter the size of your keyboard for your Samsung galaxy s4, use the following steps.

• On any Home screen, press the Menu key.
• Select the Settings option from the drop-down menu.
• From the drop-down selection select My Device.
• Go to Input and Control, then touch the Language button and enter your information.
• Select the default option.
• Press and hold the Samsung keyboard.
• Select the Settings beside the Samsung keyboard. After that, you may choose the keyboard size that meets your requirements.
• This will increase the size of your Samsung Galaxy S4’s keyboard.