How to unlock

• Currently AT&T SIM is locked.
• No reports of loss or theft
• Not involved in fraud
• In the case of installment payment, all payment of the terminal price must be completed
• The service has been used for at least 60 days and there are no delays or unpaid payments.
• If you want to unlock the SIM lock of an old device after changing the model with early upgrade, it has been 14 days or more since the model change.
• The device is not actived on another AT&T account.

• Your device must be in service for at least 60 days.

• The device must be actived for at least 6 months of paid service.

• If you purchased your iPhone from online shopping or other retailers, you must meet the general requirements for SIM unlock requests.

• AT&T allows you to apply for SIM Unlock on online if you meet the above requirements. (No charge)
  Please request for SIM Unlock from the below link.
  ※IMEI number is required in advance. *Dial #06# and make a note for IMEI number.
  https://www.att.com/deviceunlock/

• Most of the postpay devices are not SIM locked.
• 4G LTE compatible models are not SIM locked, so you can use the services of other carriers as they are.
• For 3G models, SIM is not locked except for non-iPhone 3G * 1. If you want to use another carrier with non-iPhone 3G, please use the code "000000" or "123456".
• For non-iPhone 3G, SIM lock will be unlocked upon request.

※1: 3G devices other than iPhone

• 4G LTE compatible models are not SIM locked, so you can use the services of other carriers as they are.
• For 3G models, SIM is not locked except for non-iPhone 3G. If you want to use another carrier with non-iPhone 3G, please use the code "000000" or "123456".
• For non-iPhone 3G, SIM lock will be unlocked upon request.

• The device is the available model to unlock.
• No reports of loss or theft
• Not involved in fraud
• In the case of installment payment, all payment of the terminal price must be completed
• Sprint Account status is good.