The arrival of mobile phones marked the beginning of a new chapter in the history of telecommunication. Earlier, people had to wait for many months and even years to get a telephone connection. But things changed with the invention of mobile phones. It reduced the tension and endless waiting to get a new telephone connection. These device have given more convenience and comfort to the users. The users can now conveniently travel with their phones anywhere in the world. There has been a big difference in the size of handsets. In the beginning we had handsets that were larger in size, which were too hard and difficult to carry along with. The size made it uncomfortable to carry them in pocket.
The later versions of mobile phones had many features that were not there in earlier models. Size was reduced to the minimum that made it possible to carry them in hands. Even the functions that carried by the phones underwent a massive change. The mobile phones were widely used to make and receive calls. But with time, they came equipped with digital camera, music players and Java games. All these functions made the phones more of an entertainment device than a communication gadget.
With the development of advanced functions in a handset, the mobile phones got wide acceptance amongst the masses. There was a steady increase in the number of people using mobile phones. The stiffened and tightened competition resulted in the entry of new brands that took the communication world to new heights. With the tightening of competition, the users were offered many new options by retailers and phone manufacturers. Generally, sim free phones are mostly opted by those who do not want to stick to any particular network service provider. They give flexibility of use to the users. Here a user is free to choose the network of his choice without any restriction. And to make things more attractive the he or she can also avail the handset of his choice. In simple words, the sim free phones are considered as most valued gadgets by many mobile users.