Here's how you can change your keyboard style on the HTC One X.
1. Go to Settings.
2. Go to Language & Keyboard.
3. Go to HTC Sense Input. Go to Advanced Settings.
4. Go to Keyboard Types.
5. You can choose from the following options: Standard (Qwerty) Phone (T9) Compact
For more, see the original article at the link below.
25 HTC One X tips | CNet