What is a SIM and what is unlocking?
SIM card is the important one in mobile……..with the help of the sim we use mobile………..
Unlocking your phone just removes the SIM card restriction on your phone so that you can use any other network’s SIM card.
Get the unlock code for your mobile here http://www.unlock-free.com/ , it gives the easy instructions for getting the code for your mobile…….
A SIM card is a small card that contains a mobile network subscriber’s account information.This allows the phone using the card to attach to a mobile network. Many network providers lock the phones to their network and sell them at low cost.When users buy such phones they need to stay with that network till the contract ends.In this way the network provider increase their potential.Such phones are called network locked phones.Incase a user needs to unlock their phone in the middle of contract they can request their respective network provider.If they deny there are many online unlocking vendors like unBBlock.com who provide permanent unlock through their unlocking service.A phone can also be locked by a user using a security code and they need to enter the correct code to unlock it.This increases the protection of the phone usage by others.
What is a SIM and what is unlocking Ordinary cell phone service works so that the unique serial number in your phone (its ESN) is used by the cell phone service provider to identify who you are. The wireless service ‘knows’ that a particular phone’s serial number is your phone and knows to send phone calls to that phone when someone dials your phone number. A GSM phone is not directly linked to you. Instead, it has a removable account card, called a SIM (subscriber information module) and this SIM has a unique serial number on it. This is what identifies you to the wireless provider. The important difference about this is that you can put your SIM into any compatible phone (and pretty much all modern GSM phones are compatible with all modern SIMs) and that phone will now act as your phone, because the wireless company sees your SIM inside it. It doesn’t care that you’ve changed phones, all it cares is where to find your SIM. And now for the really exciting part of this. Just as, in the