HTC has moved away slightly from the conventional QWERTY keyboard that is based on a desktop keyboard. Instead of placing only one letter per key HTC has designed its keypad to have two letters in one key so the keys will be too small which makes it very difficult to press using your fingers.
HTC Touch Diamond keyboard design is much more helpful especially for users who are not inclined to use the stylus for typing. Since the design of mobile phone keypad programmers to create their own keyboard, which is clearly based in HTCs QWERTY keyboard. However, it still includes the traditional keypad for those who still can not get over it. Thus, the keypad of this mobile phone can be displayed as a 12-key, 20-keys or a full QWERTY keyboard. Since it was introduced to the public developer is able to draw on screen, keypad, packed as a cab file for other smart phones. So, other PDA or smart phones can have HTC keyboard installed on their mobile phones.
Although it is a bit tricky when it comes to punctuation because it is located just below a letter that is in a tipku.Korisnik must click on the punctuation mark with a stylus because it's pretty small, so the finger is not good.
Apple also released the HTC Touch Pro, which includes a slide-out keyboard. Since some users prefer the hardware keyboard for easier and faster navigation and typing.