They used mobile phone while study. It have good and bad benefit the good things of mobile phones, students should definitely be able to use their phones during class. A phone is a great device. It can used for many educational things like research, projects, calculators, and even putting in important dates when a homework assignment or a project is due. You can also use a phone to call or text your parents if maybe you forgot your lunch at home, need lunch money so you can eat at school, or to let them know that you have tutorials after school that day. There are many things that phones are useful for. Pretty much everywhere, cell phones are banned because most people say it's distracting. Teachers don't want kids texting in class when they're trying to teach them important things. But the truth about more modern phones is they can be a great learning tool.