Enabling Missing LTE Band 17 on XT1250 for AT&T

I was under the impression that the XT1250 also included the LTE 17 band that the XT1225 has and have purchased one to use on AT&T. Only getting HSPA+ and wondering if the old methods of editing NV 6828 and 6829 fields for Qualcomm SoC would be a possible alternative...

I have unlocked the bootloader through the Motorola website. I doubt it would be as simple as flashing the XT1225 radio onto it -- mine ends in .85.R01

THANKS in advance!

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