One ui 4.0 official release is available for T-mobile unlock

[user2SnlLKvmth]

One ui 4.0 is available for beta testers unlock devices on T-Mobile 

[USBetaModerator]

Hello @user2SnlLKvmth ,

Thank you for your Feedback. We appreciate your contribution to the Beta community.

Regards,
One UI Beta Team

[bobps47]

Im on tmobile with 998U unlocked S21 ultra phone and no update is availible