APNs resetting after reboot

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i am running miui 5.4. Everything is working as should, with the exception of MMS. After days of research and forum crawling like a crackhead, i have concluded that the apn settings is the problem, if i create a new apn and input the settings for us cellular (my carrier) then i am able to send and recieve MMS. It is only when i reboot my phone that it breaks again, and i am forced to re-enter the settings to send MMS. I am just curious if anyone has had a similar problem, and if there is a way to fix it so i dont have to enter these settings with every reboot

thanks in advance

try to flash nv white rabbit, all settings needed for qpst.

you can also change other settings under ##data#, ##DEBUG#.

mms spc was 500667 on my device. not the standard 000000