Apparatus for inputting letters in electronic device and method thereof

摘要

An apparatus for inputting letters in an electronic device, which can select and input letters in guide screens showing multiple letter groups linked to each other in a tree structure by using only two direction keys and an enter key, and a method thereof are provided. Accordingly, without installing a keyboard in an electronic device, it is possible to simply input letters on a screen using only two direction keys and an enter key in on-screen display letter input menu screens, by dividing letters into sub groups in a tree structure.