subject: Mobile Phone Deals- Increase Your Comfort Zone! [print this page] Thus, whenever one buys a mobile phone, he has to choose any of these four modes to get the necessary service from the chosen service provider. In case of contract deals, it is compulsory for users to sign a contract with the chosen service provider. On the other hand, pay as you go and SIM free phones can be availed without any restriction from a particular service provider. In simple words, you are free to choose and to switch service providers as per your choice and requirement.
