Today, mobile phone has become popular to everybody since it is very convenient. The most advantage of having a mobile phone is you can communicate to your family and your friends no matter what where you are. For instance, you can contact easily to your friends by calling or sending messages everywhere without electricity. It is maybe the main reason why almost all people today choose to own a mobile phone. From the customer’s point of view, it is obvious that mobile phones assist you in business a lot, such as, make schedule of working, surf the internet, and keep in touch with their companies. Moreover, you can relax with mobile phone’s applications, for example, play games, listen to music, or chat with your friends.
1. Communication
Mobile phones provide the means to communicate with friends, family, coworkers, and indeed most of the world's population instantly. Unlike previous communication devices, they can be on hand for the caller at all times and used in any place where there is a signal.

2. Small and Convenient
They fit easily into your pocket or bag. They don't weigh much. There are inexpensive models available for those with a limited budget. If the battery gets low, you can recharge them in your car, or plug them into an electrical outlet using a cable.
3. Photos and Video
Many people don't even own a camera nowadays, because their phone has all the image and video capturing capability that they require. Once the media has been captured, it can be sent to others via email, messaging, or Bluetooth; or posted on the internet with just a few clicks. Many phones also offer extras, such as photo editing.
4. Texting
Text messaging (also known as texting) enables people to communicate with short written messages. Originally phones used SMS technology, allowing the sending of letters, numbers, and symbols, but more recently, MMS technology has allowed multimedia, such as photos and videos to be sent too. Texting is a great way to send someone an important instant message, as unlike email, people are more likely to read their texts straightaway.

5. Fashion and Self-Expression
Choosing which model of phone to carry, customizing things like the ringtone, or buying a more personal phone cover have all become a means of self-expression for mobile phone owners, informing others what sort of person you are.
6. Entertainment
As long you have your mobile phone, there is no reason to get bored There are a multitude of games to download and play, you can read an online article, or get involved with social media to pass time. Smartphones allow video watching, as well as listening to radio, podcasts, or music. Plus, if you attend a real life event, you can often store your ticket on your phone to display at the door.

7. Notes and Reminders
Whether it's a shopping list, an important password, or a complicated set of instructions that would be difficult to memorize, mobile phones are a great way to carry notes and reminders. These don't always have to take the form of text or numbers either, you can also use photos, audio, or video to record important information for later use.
8. Video in Real Time
Many people now like to see the person that they are talking to, as well as hear the sound of their voice. Live video chat makes this possible. Real time video also enables the live streaming of live events across the internet, as well as to other phones and devices.

9. Calendars and Organization
Mobile phones are great devices for organization and their calendars are an excellent way to manage a busy schedule. Your phone will alert you when you have a doctor's appointment, it is a loved one's birthday, or simply help you to organize your daily work tasks and personal schedule.
10. Maps, Navigation, and Travel
Finding our way around has never been easier since phones started using GPS to direct us to our destinations. Whether driving, cycling, or walking, we can get live updates on our location, roadworks, accidents, and other causes of slow moving traffic, plus information on nearby facilities, such as restaurants, gas stations, and hotels. When traveling by plane or train, you can use your phone to explore timetables, purchase and display your ticket.

11. Online Banking and Finance
Mobile phones are an excellent way to organize your finances. You can check your account balances, transfer money, and pay bills, all with just a few clicks. It's often way more convenient than going into your branch or using your computer at home. There are apps that tell you your credit rating, how stocks and shares are doing, and other economic information.
12. Address Book and Contacts
Phones enable you to have all the necessary contact details for family, friends, and coworkers in one easy to access place. There's no reason to forget or lose any person's phone number, email address, or property address. Address books can be synchronized and stored online, so that if your phone breaks, or is lost, you can still access them from other devices.

13. Remote Working
Mobile phones enable work on the move in almost any location. This allows workers and managers to remain in contact with their base while out on site, while traveling between locations, or to communicate with colleagues and clients when working from home.
14. Emergencies
In the event of an accident, injury, criminal incident, or other emergency, mobile phones ensure that emergency services, as well as family and friends, can be contacted immediately. Phones for children reassure parents and enable then to know where the children are at all times.

15. Watches and Alarm Clocks
Mobile phones allow you to check the time whenever you need to, ruling out the necessity for a watch or a clock in many circumstances. Many people also now use their mobile phone to awaken them each morning, or remind them of an action they need to take at a certain time, rather than a traditional alarm clock.
16. Calculator
Having a calculator 24/7 can come in very handy, both in the workplace, or outside of work. It's useful for adding up the bills, working out invoices, taxation rates, percentages, and many other things. Most people no longer use traditional calculators.

17. Flashlight/Torch
One of the most practical functions of the mobile phone is the flashlight/torch feature. (The light is called a flashlight in the USA, and a torch in many other English speaking countries). If you lose something important in the dark, such as your keys or wallet, or if you cannot see to unlock the door or read something important, the light from the phone comes to your aid.
18. News, Sports, and Live Events
It seems strange that not long ago we couldn't keep up with live events in real-time. The phone can alert you when there is breaking news, or your favorite team scores in a match. Many live events can now be followed via video, as well as text. Also, ordinary people can use their phones to capture photos and video at important events and actually become the news broadcasters.

19. Crime Prevention and Evidence Gathering
Just having a camera and video recorder always at your disposal can sometimes have the effect of deterring crime in certain situations. If a crime does happen, then phones can be used to capture evidence of crimes in progress, or in the immediate aftermath. Even in civil disputes, such as car accidents, injuries, or antisocial behavior, phones can play an important role in evidence gathering.
20. Learning and Research
Your mobile phone is like having the world's biggest reference library on hand everywhere you go. You can search for just about anything in any situation as long as you have a connection. At the store and unsure which part your specific model of car needs? Need to translate a phrase in a foreign language? Need to find a recipe for dinner that night? Your phone can help you find the answer.