I know many mobile phone users in Perth who are not satisfied with their current service provider. The reasons responsible for this dissatisfaction may be many like comparatively costlier tariff plans, poor service and/or poor coverage. Such unsatisfied people in Perth are more in comparison to other cities of Australia because of the existence of more migrated people. These people are generally unknown to all the available options and become soft target for the cell phone service providers. Smart mobile survive providers offer the mobile sets at very attractive prices to impress such ‘soft target’ clients but induce some compulsions secretly. When these people realize that they are paying more because of their current tariff plan and start thinking about other options, they come to know that they can’t switch over to another service provider because of the locking of mobile set. In such conditions, unlocking the mobile emerges as the best solution. Seeing the growing numbers of the people, intending to unlock their mobiles, mobile phone unlock Perth centers are emerging fast.