I-phones of 3 or 4 years back all come locked or tied to a particular service provider. Only Apple knows why they did it this way before.
Well, the good news here is you are not in this alone and it can always be unlocked as your service provider can unlock your I-phone for you. Though if you are tech privy you can unlock your gadget on your own.
I am now going to tell you how you can go about unlocking all models of I-phone no matter how old or new it is. You may want to contact your service provider to give you an unlock pin or you can do it your self in your own convenience.
First of all, let me tell you how to check if your I-phone is locked or not, if it is locked in actual, then it is totally legal to unlock your i-phone if you are sure you have full ownership of the phone. If you are yet to complete the payment for your i-phone please contact your service provider to check if you can unlock it.
It is actually easy to detect an i-phone is locked when you buy it from shops that offer fairly used phones (popularly called UK USED in nigeria) or use collected it from someone close. If this is the case, you will notice your SIM card is not working on the i-phone that you just collected or purchased. This is because it is still hooked to another network.
Unlocking an I-phone
The first option is to contact your network service provider, though this is mostly for users in the United Kingdom.
Now if you make use of Tmobile or Orange and have been upto date with your bills with your account active for six months you can unlock your i-phone.
It may not be a cake walk if you are not the original owner of the phone as you would need to find out details of ho the real owner is including name and phone number. I know what is on your mind right now, there is no way you can find the original owner... right?
Then why not make use of a software to unlock your i-phone.
According to macworld.co.uk, Doctor sim has been tried an tested. You can even get a refund if peradventure the unlock process failed. Though it is likely you have to pay a token when using this service. When you are done unlocking your phone, here is how you would know.
First, Shutdown the i-phone by holding down the power key.
Next, Remove the SIM from the phone's SIM port.
After removing the old SIM, insert your new SIM card into the phone.
Now power ON the phone, after this you should receive a confirmation from the new service provider.