Default [SOLVED] Dont have 4g lte

I have problems with my note 3 of second hand, does not give me 4g lte, only 4g, i check the apn in my note 2 and are exactly the same.

i have firmware MI9 with root.
Galaxy Note 3, 4G LTE Powered by Dynamic Rom for AT&T

Galaxy Note 2 LTE Powered by Jedi Rom X20 with SaberKernel