Most network carrier / Service providers “lock” your phone so it works only with their specific SIM card. The only reason to lock the SIM is to ensure you use their service for an extended period of time.
If you attempt to use an alternative SIM card in a locked phone, you will receive error messages, such as “SIM Card Not Accepted.” Unlocking enables you to use any SIM card on any network in your handset.
All your need to unlock your phone unlock code is the phone’s IMEI number, make and model of the handset and the network that the phone is currently locked to (i.e the network that the phone is originally from). The phone unlock code will be emailed to your along with simple instructions on how to enter the code into your phone unlock code into your phone.
Be aware: There are a number of unscrupulous sites that offer the service at extremely cheap Phone unlock prices and their codes do not work or they just send you information on how or where you can get your phone unlock code and not the actual phone unlock code!
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To unlock your phone now either order your unlock code from here or select the Brand you wish to unlock for the list below.