You can buy the latest mobile phones either from directly from the factory or the network service providers. While the factory sold phones comes unlock to have your choice of SIM card the network carrier phone comes locked to the service provider and restricted to use only their SIM card. Thus, there is a price variation between the two types of phones where the factory unlocked phone is expensive while you can buy the same model from the network carrier in affordable prices who cover the costs through their carrier services. However, most of the customers after buying a phone from the network carrier often try to unlock the code so that they can use the SIM of other carriers offering better deals in the market. It is a bit difficult to unlock Swisscom iPhone for the novices, but if you find professional third party phone unlocking services you can surely break the code and choose any network carrier of your interest.
 

 
To factory unlock Swisscom iPhone the third party service providers require the IMEI code that you can find in your phone by pressing *#06# on the keypad or find the code printed on the SIM tray. They can also unlock all models of Swisscom iPhone through iTunes. Similarly, to unlock Movistar phone you have to mail the IMEI code to the service providers who shall send you the factory unlock code and instruction on how to use it to get your phone unlocked. It is also same to unlock nokia Lumia or to unlock nokia Lumia 920 where you have to email the 15 digit IMEI code to the unlock service providers who shall send you back the unlock code. As you get the unlock nokia Lumia 920 code all you need is to follow the simple steps of switching on the phone without any SIM card. Type the following code #PW+CODE+1# and the phone shall display “ SIM restriction off” and that’s it to have your phone unlocked and use any network carrier services.
 

 
There are many benefits associated with unlock nokia Lumia or unlock Movistar phone as you shall have the freedom to use the any network around the world. You can surely cut down roaming charges abroad by replacing your existing SIM with that of the local service provider. Once unlocked you phone shall never be locked again. The price for unlocking services generally vary based on the model and when compared to the advantages of having your phone unlocked the cost is nothing.