How to use cell phone with different network is one of the most frequently asked cell phone questions. It is common knowledge that most network providers lock their phones to their network, so when you take out a contract, you are forced to buy particular phones to receive your service. With a cell phone unlock code you can crack the system so your new phone will work with whichever network you are currently using. In order to proceed with an unlock, you need to retrieve some information from your mobile phone. You will need the network and country to which the phone is locked, and the phone number as well. You may also be asked to provide the manufacturer, model number and the phone’s IMEI number. This 15 digit serial number can generally be found by entering *#06# on your phone’s keypad.There are a number of websites that can help you learn how to use mobile phone with different provider. From these websites you simply choose your make and model of phone and you are presented with your unlocking options. With just a few clicks you will be on your way to using your cell phone on the network of your choice.