To change the keyboard language from Chinese, or any language, touch the option on the right of the 'Enter' button which is located on the bottom right corner of the key board.
If your phone's operation language is not in English, press the 'Applications' button which looks like a 4 by 4 grid of grey squares. The find and select the 'Options' application which looks like a mechanical gear with a green rim. At the top of the options screen, there is a row of 4 option sub-categories and select the one that has looks like a the outline of a phone. The option with the letter 'A' is the language selection option. Touch that option and select the English language or the language you prefer.