The HTC ChaCha Sim Free Mobile Phone is one of its kind. One of the first HTC smartphones with a full-QWERTY keypad, the HTC ChaCha is packed to the brim with features that are no less than stunning and awesome! The clean, trendy, stylish and beautiful design offers great levels of comfort for the user, and with the 10.7mm thickness, the HTC ChaCha comes as one of the thinnest smartphones ever.