steps update t-mobile ID

To update the T-Mobile ID, follow these steps:

For the Primary Account Holder (PAH) only: T-Mobile app: Download and log in to the T-Mobile app. Tap MORE. Tap Profile settings. Tap T-Mobile ID. Select the PIN/Passcode section. Enter and confirm a new PIN/Passcode. Click Save. A text confirming the PIN/Passcode update request will be sent.