The contract period can be any period of time like- 6 months
, 12 months etc.In Cheap Pay As You Go Phones, the payment has to be made in advance.ou can recharge your credits according to your use of the services.In case of SIM free deals, the users are given options to buy any handset of their choices without changing the connections.There are many exciting free gifts available with these kinds of the deals.It can be anything from laptops, TV, free games, instant cash back etc.Sometimes you can even get the handset for free.These mobile phone deals can be compared online to get the best one.