Once you've met the eligibility criteria and chosen a method, follow these general steps:
: The device must have been active on the T-Mobile network for at least 40 days on the requesting line.
Navigate to Settings > Wi-Fi & internet > SIM & network > Advanced (or Network Unlock ) and select Permanent Unlock .
Unlocking a T-Mobile phone requires patience and attention to detail. By following these steps and meeting the eligibility criteria, you can successfully unlock your phone and enjoy the freedom to use it with any carrier.