Purchasing a HandPhone

You have done well in your Final Year Examinations and your parents were very pleased with your results. As a reward, they promised to buy a handphone for you. When you entered the mobile shop, there are many different types of handphones available.
In the form, list down
1. Considerations of the handphone when you are doing the purchasing
2. How do you develop these considerations?
3. Importance of having these considerations.