How does IMEI unlocking work?
Phones are simlocked to inibith usage of other sim cards different from the one of the operator that gave you the phone: on this we all agree BUT in all the countries it’s possible to unlock the mobile after a definied time, in italy for example is 9 months under payment and 18 months for free after purchase just going to your operator: many people don’t know this really simple mechanism.
Here is the function of giving them your IMEI code: the algoritmh, specific for every operator, use your IMEI to calculate a number that must be the same that is written inside your phone: that’s why they ask for IMEI and OPERATOR 
You can Unlock the PHONE using the unlock code, that is best than all OTHER Method,You can get the Unlock code as free of cost at here
Hi IMEI phone unlocking is nothing but unlocking your phone from network lock using your IMEI …There are many provider available online who will generate unique unlock code for your mobile model once you specified your IMEI number to them …If you want to unlock any older mobile models from network lock .Then visit sites like Unlock-Free.com they are generating network unlock for some older mobile models at free of cost …..Else if you want to unlock some other new model phone then visit sites like MobileUnlockSolutions.com they are providing unlock code for all mobile models at reliable cost using IMEI number .
