Move forward questions - Ask the reason for the port out - Ask the specific line for the transfer pin - Check the line (in add and remove features) if there's a port protection, remove if there's a port protection. Steps for the transfer pin. Make sure the T-Mobile app is on the latest version before attempting these steps. 1. Download or log in to the T-Mobile app . 2. Select Account or More. 3. Select Profile Settings. 4. Select Line Settings. 5. Request a transfer PIN. 6. You will be directed to verify their identity 7. Have the customer select a phone number to receive a text OTP 8. Select Continue 9. Then you will need to enter 6-digit OTP 10. Select Continue 11. Select Get a transfer PIN. https://c2.t-mobile.com/accounts/port-out-requests