T-Mobile and Metro by T-Mobile have different network unlock policies.
Source: https://www.metrobyt-mobile.com/terms-conditions/phone-unlock-policy.htmlUnlock eligibility requirements
We unlock mobile devices that meet the following eligibility criteria free of charge:
- The device must be purchased from Metro by T-Mobile.
- The device must not be reported as lost, stolen or blocked.
- One hundred eighty (180) days must have passed since the device’s activation date.