Updating galaxy note 3, will it sim lock it back?

[AC Question]

Hi, my note 3 is US t mobile that was locked, I unlocked it using a code, if I will update it it will lock back or not?

 

[B. Diddy]

Moved to the T-Mobile Note 3 forum.

 

[Forgewizard]

Am pretty sure that if you want a T-mobile update to yiur phone, it needs to be recognized as a T-mobile device and on their system. Otherwise you probably need to either root it or use an update from whichever provider is now your carrier tgat you unlocked it for.