For entering text, the PLAYSTATION®3 computer entertainment system's on-screen keyboard is convenient and easy to use.

Keys that are displayed vary depending on the input mode and other conditions.
In predictive mode, entering the first few letters of a word will bring up a list of commonly used words that start with the letters. Use the directional buttons to select the word. After entering text, select the Enter key to exit the keyboard.
Input mode types depend on the system language selected.

(Settings)
(System Settings) "System Language". You can enter characters using a USB keyboard (sold separately).