Mobile phones are now indispensable in our life and one could hardly imagine a single day without these gadgets. The functionality of these palm-sized gizmos is very vast. Today the functionalities of high-end mobile phones are even comparable to a personal computer. Users thus prefer to buy a smartphone and thus the number of mobile phone owners has taken a steep rise since past few years. Amongst various handset deals users prefer to avail ‘SIM free mobile phone’ deals, ‘pay as you go mobiles’

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